2018 Illinois House of Representatives election

• 4th district: Cynthia Soto: Soto is running for a seat on the Metropolitan Water Reclamation District.[3]
• 5th district: Juliana Stratton: Stratton became J. B. Pritzker's running mate in the 2018 gubernatorial election.[4]
• 17th district: Laura Fine: On July 28, 2017, Fine announced her intention to run for the senate seat being vacated by Daniel Biss.[5]
• 21st district: Silvana Tabares: On June 15, 2018, Tabares was appointed as the 23rd Ward alderman of Chicago after Mike Zalewski retired from the position on May 31, 2018.[6]
• 25th district: Barbara Flynn Currie: Majority Leader Barbara Flynn Currie, the longest tenured female legislator in Illinois history, announced she would retire.[7]
• 34th district: Elgie Sims: After State Senator Donne Trotter announced his retirement, Sims was appointed to his seat and sworn in on January 26, 2018.[8]
• 38th district: Al Riley: On September 26, 2017, Riley announced he would not seek reelection to a seventh term.[9]
• 57th district: Elaine Nekritz announced she was planning to resign. Her official resignation became effective October 2, 2017.[10]
• 58th district: Scott Drury: Drury attempted to run for Governor of Illinois, but opted to run for Illinois Attorney General after the retirement of Lisa Madigan.[11]
• 59th district: Carol Sente: Sente announced she will not run for reelection on September 12, 2017.[12]
• 67th district: Litesa Wallace: Wallace became Daniel Biss's running mate in the 2018 gubernatorial election.[13]
• 85th district: Emily McAsey: McAsey resigned from her seat on June 2, 2017 to, according to the Daily Southtown, "join her husband who accepted a job out of state."[14]
• 111th district: Dan Beiser: On August 30, 2017, Beiser announced his retirement from the Illinois House of Representatives.[15] Beiser chose to resign in December 2017, and was succeeded by Monica Bristow.[16]
• 118th district: Brandon Phelps: Phelps resigned in September 2017. Natalie Phelps Finnie was appointed to succeed him.[17]

• 42nd district: Jeanne Ives: In October 2017, Jeanne Ives announced her intention to run for the Republican nomination for Illinois Governor in 2018, adding that she had stopped distributing petitions for state representative.[18]
• 47th district: Patti Bellock: On August 1, 2017, Deputy Republican Leader Bellock announced her intention to retire at the end of her term.[19]
• 49th district: Mike Fortner: Fortner announced August 7, 2017 he would not seek reelection.[20]
• 51st district: Nick Sauer: On August 1, 2018, Politico reported on Sauer allegedly using his ex-girlfriend's nude photos to catfish for seeking online relationships with men. Sauer would then resign at 5 pm on the same day.[21][22]
• 53rd district: David Harris: On October 4, 2017, Harris announced his retirement from the Illinois House citing frustration from the Illinois Budget Impasse. Harris was one of the Republicans who crossed party lines to vote to end the Illinois Budget Impasse which included an income tax increase.[23]
• 64th district: Barbara Wheeler: Wheeler will not run for reelection in 2018.[24]
• 65th district: Steven Andersson: On August 16, 2017, Andersson announced he would not seek reelection to the Illinois House of Representatives in 2018 during an appearance on Chicago Tonight. Andersson was one of the Republicans who voted to end the Illinois budget impasse which included an income tax increase.[25]
• 70th district: Bob Pritchard: The 72 year old legislator announced he would retire at the end of the 100th General Assembly. Pritchard was one of the Republicans who voted to end the Illinois budget impasse which included an income tax increase.[26]
• 89th district: Brian W. Stewart: Stewart is vacating his seat to run for the senate seat being vacated by Tim Bivins.[27]
• 99th district: Sara Wojcicki Jimenez: Wojcicki Jimenez announced she would not seek reelection in 2018.[28]
• 101st district: Bill Mitchell: The Assistant Republican Leader announced he would not run for another term in the Illinois House on August 3, 2017.[29]
• 104th district: Chad Hays: On July 7, 2017, Hays announced his retirement from the Illinois House citing the budget impasse.[30]
• 107th district: John Cavaletto: On September 18, 2017, Cavaletto announced he would not be seeking reelection.[31]
• 110th district: Reggie Phillips: On September 22, 2017, Phillips announced he would not run for a third term.[32]

The 1st district, located in the Chicago area, includes parts of Forest View, as well as all or parts of the Chicago neighborhoods of Archer Heights, Brighton Park, Chicago Lawn, Garfield Ridge, New City, and West Elsdon.[33][34] The district had been represented by Democrat Daniel J. Burke since January 9, 2013, previously serving the 23rd district from January 9, 1991 to January 9, 2013.[35] Burke faced a primary challenger from Aaron Ortiz, a teacher and college counselor for Back of the Yards High School.[36] After defeating Burke in the primary, Ortiz faced no Republican challenger.

The 2nd district includes all or parts of the Chicago neighborhoods of Armour Square, Bridgeport, Brighton Park, Lower West Side, McKinley Park, Near South Side, Near West Side, and New City.[33][34] The district has been represented by Democrat Theresa Mah since January 11, 2017.[39] Mah faced neither a Democratic challenger in her primary election nor a Republican challenger in the general election.

The 3rd district, located in the Chicago area, includes parts of Elmwood Park, as well as all or parts of the Chicago neighborhoods of Austin, Belmont Cragin, Dunning, Hermosa, Logan Square, Montclare, and Portage Park.[33][34] The district has been represented by Democrat Luis Arroyo since his appointment in December 2006. He was an Assistant Majority Leader of the Illinois House of Representatives during the 100th General Assembly.[40] Arroyo faced neither a Democratic challenger in his primary nor a Republican challenger in the general election.

The 4th district includes parts of the Chicago neighborhoods of Hermosa, Humboldt Park, Logan Square, and West Town.[33][34] The district had been represented by Democrat Cynthia Soto since January 10, 2001.[41] Soto would run for commissioner of the Metropolitan Water Reclamation District of Greater Chicago and would not run for re-election for her seat.[3] The Democratic primary for the 4th district seat featured four candidates.

• Iris J. Millán, Community Affairs Liaison for Wilbur Wright College, former Community Development Manager of St. Joseph Services, and former Director of Community Affairs for the 1st Ward Office for the City of Chicago.[42]
• Alyx S. Pattison, Campaign staffer and Congressional Aide to Congresswoman Jan Schakowsky, former Local School Council Member and tutor of Jose de Diego Community Academy, Wicker Park, and former Commissioner of the Cook County Commission on Women's Issues.[43]
• Delia C. Ramirez, former Campaign Chair for Irizarry for 26th Ward Alderman, former Deputy Director of the Community Renewal Society, and former Executive Director of the Center for Changing Lives.[44]
• Anne Shaw, Community Activist and Civil Rights Attorney.[45]

After winning her primary election, Ramirez would face no Republican challenger in the general election.

The 5th district includes parts of the Chicago neighborhoods of Armour Square, Avalon Park, Douglas, Englewood, Fuller Park, Grand Boulevard, Greater Grand Crossing, Loop, Near North Side, Near South Side, South Shore, Washington Park, and Woodlawn.[33][34] The district had been represented by Democrat Juliana Stratton since January 11, 2017.[46] Stratton would later on become Governor J.B. Pritzker's running mate for lieutenant governor, leaving her seat open.[4] The Democratic primary for the 5th district seat featured four candidates.

• Felicia Bullock, first-time candidate and procurement buyer.[47]
• Ken Dunkin, former representative of the 5th district, losing his primary race in 2016 to former representative Juliana Stratton.
• Lamont Robinson, small business owner, Director of the Kappa Leadership Institute based out of Kenwood High School, and member of the 51st Street Business Association.[48]
• Dilara Sayeed, first-time candidate and volunteer for several campaigns and candidates over 15 years, educator, and tech entrepreneur.[49]

After winning his primary election, Robinson would face no Republican challenger in the general election. Through his election and swearing-in, Lamont Robinson made history by becoming the first openly LGBTQ person of color to serve in the Illinois General Assembly.[50]

The 6th district includes parts of the Chicago neighborhoods of Armour Square, Bridgeport, Chicago Lawn, Douglas, Englewood, Fuller Park, Grand Boulevard, Greater Grand Crossing, Loop, Near North Side, Near South Side, Near West Side, New City, and West Englewood.[33][34] The district has been represented by Democrat Sonya Harper since her appointment in October 2015.[51] Harper faced neither a Democratic challenger in her primary nor a Republican challenger in the general election.

The 7th district, located in the Chicago area, includes all or parts of Bellwood, Berkeley, Broadview, Forest Park, Hillside, La Grange Park, Maywood, Melrose Park, Northlake, Oak Brook, River Forest, Westchester, and Western Springs.[33] The district has been represented by Democrat Emanuel "Chris" Welch since January 9, 2013.[52] Welch faced neither any Democratic challenger in his primary nor any Republican challenger in the general election.

The 8th district, located in the Chicago area, includes all or parts of Berwyn, Brookfield, Forest Park, La Grange, La Grange Park, North Riverside, and Oak Park and parts of the Chicago neighborhood of Austin.[33][34] The district has been represented by Democrat La Shawn Ford since January 10, 2007.[53] Ford faced neither a Democratic challenger in his primary nor any Republican challenger in the general election.

The 9th district includes parts of the Chicago neighborhoods of East Garfield Park, Lincoln Park, Loop, Lower West Side, Near North Side, Near West Side, North Lawndale, South Lawndale, West Garfield Park, and West Town.[33][34] The district has been represented by Democrat Art Turner since December 2010. He was the Deputy Majority Leader of the Illinois House of Representatives during the 100th General Assembly.[54] Turner faced neither any Democratic challenger in his primary nor any Republican challenger in the general election.

The 10th district includes parts of the Chicago neighborhoods of Austin, East Garfield Park, Humboldt Park, Lincoln Park, Logan Square, Near North Side, Near West Side, West Garfield Park, and West Town.[33][34] The district has been represented by Democrat Melissa Conyears-Ervin since January 11, 2017.[55] Conyears-Ervin faced neither any Democratic challenger in her primary nor any Republican challenger in the general election.

The 11th district includes parts of the Chicago neighborhoods of Albany Park, Avondale, Irving Park, Lake View, Lincoln Park, Lincoln Square, Logan Square, and North Center.[33][34] The district has been represented by Democrat Ann Williams since January 12, 2011.[56] Williams faced neither any Democratic challenger in her primary nor any Republican challenger in the general election.

The 12th district includes parts of the Chicago neighborhoods of Lake View, Lincoln Park, Near North Side, and Uptown.[33][34] The district has been represented by Democrat Sara Feigenholtz since January 11, 1995.[57] Feigenholtz faced neither any Democratic challenger in her primary nor any Republican challenger in the general election.

The 13th district includes parts of the Chicago neighborhoods of Albany Park, Edgewater, Lake View, North Center, North Park, Rogers Park, Uptown, and West Ridge.[33][34] The district has been represented by Democrat Greg Harris since December 2006. He was an Assistant Majority Leader of the Illinois House of Representatives during the 100th General Assembly.[58] Harris faced neither any Democratic challenger in his primary nor any Republican challenger in the general election.

The 14th district, located in the Chicago area, includes parts of Evanston and includes parts of the Chicago neighborhoods of Edgewater, Rogers Park, Uptown, and West Ridge.[33][34] The district has been represented by Democrat Kelly Cassidy since her appointment in May 2011.[59] Cassidy faced a primary challenger from Arthur Noah Siegel, former worker on Bernie Sanders' campaign and business owner in construction.[60] After winning her primary election, Cassidy would not face any Republican challenger in the general election.

The 15th district, located in the Chicago area, includes parts of Glenview, Morton Grove, Niles, Park Ridge, and Skokie and includes parts of the Chicago neighborhoods of Albany Park, Forest Glen, Irving Park, Jefferson Park, North Park, and Norwood Park.[33][34] The district has been represented by Democrat John D'Amico since November 2004.[61] D'Amico faced a Republican challenger from Amanda Biela, a first-time candidate, former Chicago public school teacher, and past president of the local parenting organization Moms Club of Northwest Chicagoland.[62]

The 16th district, located in the Chicago area, includes parts of Lincolnwood, Morton Grove, and Skokie and includes parts of the Chicago neighborhoods of North Park and West Ridge.[33][34] The district had been represented by Democrat Lou Lang since his appointment in July 1987.[63] Lang faced neither any Democratic challenger in his primary nor any Republican challenger in the general election. After winning his election, Lang would resign two days before his inauguration to work as a lobbyist.[64] Yehiel Mark Kalish was appointed to fill the seat.[65]

The 17th district, located in the Chicago area, includes all or parts of Evanston, Glenview, Golf, Morton Grove, Northbrook, Skokie, and Wilmette.[33] The district had been represented by Democrat Laura Fine since January 9, 2013.[66] On July 28, 2017, Fine announced her intention to run for the senate seat being vacated by Daniel Biss, leaving her seat open.[5] The Democratic primary for the 17th district seat featured five candidates.

• Candance Chow, Evanston/Skokie District 65 school board president.[67]
• Pete Dagher, former Deputy Political Director of the Democratic National Committee, former Director of Special Projects at the White House, and former staffer for President Bill Clinton.[68]
• Alexandra Eidenberg, President & Co-Founder of The Insurance People, founder of We Will, and has worked on campaigns for Illinois Representative Robert Martwick, US Representative Chuy Garcia, and US Senator Bernie Sanders.[69]
• Jennifer Gong-Gershowitz, pro bono attorney for the National Immigrant Justice Center, founding member and co-chair of the Illinois Unaccompanied Children's Task Force, and Board Member of the Glenview Education Foundation.[70]
• Mary Rita Luecke, attorney, precinct volunteer for Niles Township Democratic Party, and former member of Evanston/Skokie District School Board.[71]

The Republican primary for the 17th district seat featured Peter Lee, attorney and president of the Korean Association of Chicago.[72]

The 18th district, located in the Chicago area, includes all or parts of Deerfield, Evanston, Glencoe, Glenview, Kenilworth, Northbrook, Northfield, Wilmette, and Winnetka.[33] The district has been represented by Democrat Robyn Gabel since her appointment in April 2010.[73] The Republican challenger in this election was Julie Cho, an operations consultant.[74]

The 19th district, located in the Chicago area, includes parts of Elmwood Park, Harwood Heights, Norridge, and River Grove and includes parts of the Chicago neighborhoods of Dunning, Forest Glen, Jefferson Park, Norwood Park, O'Hare, and Portage Park.[33][34] The district has been represented by Democrat Robert Martwick since January 9, 2013.[75] Martwick faced a primary challenger from Jeffrey La Porte, police officer, former Director for the Gladstone Park Chamber of Commerce, and former Parent Representative for Onahan Elementary LSC.[76] The Republican challenger in this election was Ammie Kessem, sergeant of police and an active parishioner of the St. Monica Catholic Church.[77]

The 20th district, located in the Chicago area, includes parts of Des Plaines, Franklin Park, Harwood Heights, Niles, Norridge, Park Ridge, Rosemont, and Schiller Park and includes parts of the Chicago neighborhoods of Dunning, Edison Park, Norwood Park, and O'Hare.[33][34] The district has been represented by Republican Michael McAuliffe since his appointment in July 1996. He was the Assistant Republican Leader of the Illinois House of Representatives during the 100th General Assembly.[78] McAuliffe is the only Republican to serve parts of Chicago in the Illinois House. According to Illinois Election Data, the 20th district was the most Democratic district represented by a Republican during the election.[79] The Democratic challenger in this election was Merry Marwig, former Democratic candidate for this district in 2016 and owner of a data security company. After winning her primary, Marwig announced she would step down from the race, saying “changing circumstances in my family have forced me to reconsider my run.”[80] After Marwig stepped down from the race, McAuliffe would face no other Democratic challenger in the general election.

The 21st district, located in the Chicago area, includes parts of Bedford Park, Bridgeview, Cicero, Forest View, Lyons, McCook, Riverside, Stickney, and Summit and includes parts of the Chicago neighborhoods of Brighton Park, Garfield Ridge, Lower West Side, McKinley Park, and South Lawndale.[33][34] The district had been represented by Democrat Silvana Tabares since January 9, 2013.[81] After winning her primary, Tabares was appointed as the 23rd Ward alderman of Chicago on June 15, 2018 after Mike Zalewski retired from the position on May 31, 2018.[6] Celina Villanueva, youth engagement manager for the Illinois Coalition for Immigrant and Refugee Rights (ICIRR) and former director of Organizing for Chicago Votes was appointed July 24, 2018 to the state representative seat.[82] Villanueva faced no Republican challenger in the general election.

The 22nd district, located in the Chicago area, includes parts of Bedford Park and Burbank and includes all or parts of the Chicago neighborhoods of Archer Heights, Ashburn, Brighton Park, Chicago Lawn, Clearing, Gage Park, Garfield Ridge, West Elsdon, and West Lawn.[33][34] The district has been represented by Mike Madigan since January 13, 1971. He was the 67th Speaker of the House from 1983 to 1995 and has been the 69th Speaker of the House since 1997.[83] He has been chairman of the Democratic Party of Illinois since 1998.[84] Madigan faced neither any Democratic challengers in his primary nor any Republican challenger in the general election.

The 23rd district, located in the Chicago area, includes parts of Bedford Park, Berwyn, Bridgeview, Brookfield, Burbank, Cicero, Countryside, Hickory Hills, Hodgkins, Justice, La Grange, La Grange Park, McCook, Riverside, and Summit.[33] The district has been represented by Democrat Michael Zalewski since December 2008.[85] Zalewski faced neither any Democratic challengers in his primary nor any Republican challenger in the general election.

The 24th district, located in the Chicago area, includes parts of Berwyn, Brookfield, Cicero, Riverside, and Stickney and includes parts of the Chicago neighborhood of South Lawndale.[33][34] The district has been represented by Democrat Elizabeth "Lisa" Hernandez since January 10, 2007.[86] Hernandez faced a primary challenger from Robert Rafael Reyes, Vice President of Realty of Chicago, worked on Antonio Villaraigosa’s Mayoral Campaign in Los Angeles, and an alumnus of the Congressional Hispanic Caucus Institute D.C.[87] After winning her primary, Hernandez would face no Republican challenger in the general election.

The 25th district includes parts of the Chicago neighborhoods of Calumet Heights, East Side, Hegewisch, Hyde Park, Kenwood, South Chicago, South Deering, South Shore, and Woodlawn.[33][34] The district had been represented by Democrat Barbara Flynn Currie since January 13, 1993. She had served the Illinois House since January 1979. She had been Majority Leader of the Illinois House since 1997.[88] Currie announced she would be retiring from the House and would not run for re-election.[7] As a result of the seat of a major political player in the Illinois House now being open, the Democratic primary for the seat was very crowded. The primary featured seven candidates:

• William Calloway, community leader, activist, and one of Laquan McDonald Video Revealers.[89]
• Angelique Collins, small business owner, lobbyist, and member of Alpha Kappa Alpha sorority[90]
• Adrienne Irmer, former Legislative Coordinator to the Cook County Bureau of Asset Management, a 2018 Emerging Leader with the Chicago Council on Global Affairs, and involved with several social causes for over 16 years.[91]
• Anne Marie Miles, attorney and Aldermanic candidate for 5th Ward of Chicago in 2011 and 2015.[92]
• Grace Chan McKibben, Development Director at Indo-American Center, former chief of staff at Illinois Department of Employment Security, and former Deputy Director at Chinese American Service League.[93]
• Flynn Rush, Community Outreach Specialist for the Cook County Assessors Office, Employment Specialist for the Rebirth of Englewood Community Development Corporation, and Precinct Captain, Area Coordinator for various campaigns including Barack Obama, Bill Clinton and Harold Washington.[94]
• Curtis Tarver II, trial attorney, Board of Trustees Member of Depaul USA, and member of the Chairman's Advisory Council for Big Shoulders Fund.[95]

After winning his primary, Tarver would not face a Republican challenger in the general election.

The 26th district includes parts of the Chicago neighborhoods of Calumet Heights, Douglas, Grand Boulevard, Hyde Park, Kenwood, Loop, Near North Side, Near South Side, South Chicago, South Shore, Washington Park, and Woodlawn.[33][34] The district had been represented by Democrat Christian Mitchell since January 9, 2013.[96] Mitchell faced neither any Democratic challengers in his primary nor any Republican challenger in the general election. After winning his election and the election of Governor J.B. Pritzker, Mitchell would join the Pritzker administration as a deputy governor.[97] Kam Buckner was appointed to serve out the remainder of Mitchell's term.[98]

The 27th district, located in the Chicago area, includes parts of Alsip, Blue Island, Crestwood, Midlothian, Orland Park, Palos Heights, Robbins, and Worth and parts of the Chicago neighborhoods of Auburn Gresham, Beverly, Chatham, Morgan Park, Roseland, Washington Heights, and West Pullman.[33][34] The district has been represented by Democrat Justin Slaughter since his appointment in January 2017.[101] Slaughter faced a primary challenger from Tawana J. (T.J.) Robinson, a special education teacher, former campaigner with LSC members of the Riverdale School District 133, and former campaigner with the various school board members of District 205 Proviso Township High Schools.[102] After winning his primary, Slaughter would face no Republican challenger in the general election.

The 28th district, located in the Chicago area, includes parts of Blue Island, Calumet Park, Crestwood, Midlothian, Oak Forest, Orland Park, Riverdale, Robbins, and Tinley Park and parts of the Chicago neighborhoods of Morgan Park, Roseland, and West Pullman.[33][34] The district has been represented by Democrat Robert Rita since January 8, 2003.[103] Rita faced two challengers in his primary election. Mary Carvlin, teacher, Blue Island Library Board trustee for 6 years, and founder of Northeast Blue Island Resident Action Group (now a Rain Ready / CNT group) to solve flooding issues.[104] Kimberly Nicole Koschnitzky, a Connected Vehicle Specialist for General Motors.[105] As a result of the ongoing Me Too movement, Rita's past domestic battery case with a former girlfriend came back into the limelight, previously being at the center of his 2002 election to the seat, as his aforementioned former girlfriend sides with Rita's primary challenger Carvlin.[106] Carvlin would accuse fellow primary challenger Koschnitzky of being a 'ghost candidate' from Speaker Mike Madigan to split the vote between Carvlin and Koschnitzky to guarantee Rita won in the primary.[107] After winning his primary election, Rita would face no Republican challenger in the general election.

The 29th district, located in the Chicago area, includes parts of Calumet Heights, Chicago Heights, Crete, Dolton, East Hazel Crest, Ford Heights, Glenwood, Harvey, Homewood, Lansing, Lynwood, Monee, Phoenix, Sauk Village, South Chicago Heights, South Holland, Steger, Thornton, and University Park and parts of the Chicago neighborhoods of Riverdale and West Pullman.[33][34] The district has been represented by Democrat Thaddeus Jones since January 12, 2011.[108] Jones faced a primary challenger from Corean Davis, a human resource professional.[109] After winning his primary, Jones would face no Republican challenger in the general election.

The 30th district, located in the Chicago area, includes all or parts of Blue Island, Dixmoor, Dolton, East Hazel Crest, Flossmoor, Harvey, Hazel Crest, Homewood, Markham, Midlothian, Oak Forest, Phoenix, Posen, Riverdale, and Robbins.[33] The district has been represented by Democrat Will Davis since January 8, 2003.[110] Davis faced neither a Democratic challenger in his primary nor a Republican challenger in the general election.

The 31st district, located in the Chicago area, includes parts of Bedford Park, Bridgeview, Burr Ridge, Chicago Ridge, Countryside, Hickory Hills, Hodgkins, Hometown, Indian Head Park, Justice, Oak Lawn, Palos Hills, and Willow Springs and parts of the Chicago neighborhoods of Ashburn, Auburn Gresham, Chatham, Chicago Lawn, Englewood, Greater Grand Crossing, and West Englewood.[33][34] The district has been represented by Democrat Mary E. Flowers since January 9, 1985. She was an Assistant Majority Leader of the Illinois House during the 100th General Assembly.[111] She faced a primary challenger from Willie Preston, carpenter, Community Representative for Scott Joplin Elementary School, and former community organizer for SouthSiders Organized for Unity and Liberation (SOUL).[112] After winning her primary, Flowers would face no Republican challenger in the general election.

The 32nd district, located in the Chicago area, includes parts of Bridgeview, Burbank, Hickory Hills, Justice, and Oak Lawn and includes parts of the Chicago neighborhoods of Ashburn, Chicago Lawn, Englewood, Greater Grand Crossing, West Englewood, and Woodlawn.[33][34] The district has been represented by Democrat Andre Thapedi since January 14, 2009.[113] Thapedi faced neither any challengers in his primary nor any Republican challenger in the general election.

The 33rd district, located in the Chicago area, includes parts of Burnham, Calumet City, Ford Heights, Lansing, Lynwood, and Sauk Village and includes all or parts of the Chicago neighborhoods of Avalon Park, Burnside, Calumet Heights, Chatham, East Side, Hegewisch, South Chicago, and South Deering.[33][34] The district has been represented by Democrat Marcus C. Evans Jr. since his appointment in April 2012.[114] Evans Jr. faced neither any challengers in his primary nor any Republican challenger in the general election.

The 34th district, located in the Chicago area, includes all or parts of Beecher, Bourbonnais, Burnham, Calumet City, Crete, Ford Heights, Grant Park, Lansing, Lynwood, Manteno, Momence, Peotone, Sauk Village, South Holland, and Willowbrook and includes all or parts of the Chicago neighborhoods of Chatham, Greater Grand Crossing, Hegewisch, Pullman, Riverdale, Roseland, South Deering, and West Pullman.[33][34] The district had been represented by Democrat Elgie Sims since his appointment in August 2012.[115] After State Senator Donne Trotter announced his retirement, Sims was appointed to his seat and sworn in on January 26, 2018.[8] Nicholas Smith, former Chicago 9th Ward Streets & Sanitation Superintendent, Legislative Aide to the Committee on Transportation and Public Way, and Community Liaison/ Coordinator for Chicago State University was appointed to the seat in February 2018.[116][117] Smith did not face any Republican challenger in the general election.

The 35th district, located in the Chicago area, includes all or parts of Alsip, Chicago Ridge, Merrionette Park, Oak Lawn, Orland Hills, Orland Park, Palos Heights, Palos Park, Tinley Park, and Worth and includes parts of the Chicago neighborhoods of Auburn Gresham, Beverly, Morgan Park, Mount Greenwood, and Washington Heights.[33][34] The district has been represented by Democrat Frances Ann Hurley since January 9, 2013.[118] Herb Hebein, former Chicago police officer, was the Republican challenger in this election.[119]

The 36th district, located in the Chicago area, includes parts of Chicago Ridge, Evergreen Park, Oak Lawn, Palos Heights, Palos Park, Willow Springs, and Worth and includes parts of the Chicago neighborhoods of Ashburn, Auburn Gresham, Beverly, and Mount Greenwood.[33][34] The district has been represented by Democrat Kelly M. Burke since January 12, 2011.[120] Burke faced neither any challengers in her primary nor any Republican challenger in the general election.

The 37th district, located in the Chicago area, includes parts of Frankfort, Frankfort Square, Homer Glen, Joliet, Lockport, Mokena, New Lenox, Orland Park, and Tinley Park.[33] The district has been represented by Republican Margo McDermed since January 14, 2015.[121] McDermed faced a Democratic challenger in the general election from Matthew Hunt, property and casualty insurance agent for his family's agency, Hunt Insurance Group, Board Member of the Illinois State Fire Marshall Elevator Safety Division, and Trustee of the Palos Heights Police Pension Board.[122]

The 38th district, located in the Chicago area, includes parts of Country Club Hills, Flossmoor, Frankfort, Frankfort Square, Harvey, Hazel Crest, Homewood, Markham, Matteson, Oak Forest, Olympia Fields, Park Forest, Richton Park, Tinley Park, and University Park.[33] The district had been represented by Democrat Al Riley since January 10, 2007.[123] On September 26, 2017, Riley announced he would not seek reelection to a seventh term.[9] The Democratic primary for the 38th district featured four candidates:

• David Bonner, former legal officer and administrative law attorney in the Department of the Army's Office of The Inspector General, at The Pentagon, former Illinois Assistant Attorney General in the Civil Trials and Prosecutions unit, and formerly worked on Barack Obama's Senate campaign.[124]
• Cecil Matthews Jr., finance supervisor for Winston & Strawn LLP, first-time candidate[125]
• Debbie Meyers-Martin, former village president and trustee of Olympia Fields, president of the South Suburban Mayors and Managers Association, and former member of several advisory boards, economic boards, and regulatory boards.[126]
• Max Solomon, attorney, adjunct professor at South Suburban College, and former primary candidate for the 19th district in the Illinois Senate.[127]

After winning her primary, Meyers-Martin would face no Republican challenger in the general election.

The 39th district includes parts of the Chicago neighborhoods of Avondale, Belmont Cragin, Dunning, Hermosa, Irving Park, Logan Square, and Portage Park.[33][34] The district has been represented by Democrat Will Guzzardi since January 14, 2015.[128] Guzzardi faced neither any challengers in his primary nor any Republican challenger in the general election.

The 40th district includes parts of the Chicago neighborhoods of Albany Park, Avondale, Irving Park, Logan Square, and Portage Park.[33][34] The district has been represented by Democrat Jaime Andrade Jr. since his appointment in August 2013.[129] Andrade Jr. faced neither any challengers in his primary nor any Republican challenger in the general election.

The 41st district, located in the Chicago area, includes parts of Bolingbrook, Naperville, and Warrenville.[33] The district has been represented by Republican Grant Wehrli since January 14, 2015.[130] Val Montgomery was the democratic challenger in this election. Montgomery would later be found to be incorrectly listed by the DuPage County Election Commission as living in the 41st district, whereas her address placed her in the 49th district. DuPage County Judge Bonnie Wheaton as a result ruled that Montgomery could not be a candidate in the election and if elected could only be seated if she wins and the Illinois General Assembly decided to seat her. Despite this ruling, Montgomery did not withdraw from the race and remained on the ballot.[131]

The 42nd district, located in the Chicago area, includes all or parts of Carol Stream, Lisle, Naperville, Warrenville, West Chicago, Wheaton, and Winfield.[33] The district had been represented by Republican Jeanne Ives since January 9, 2013.[132] Ives announced in October 2017 her intention to run for governor and would not run for reelection to her seat.[18] The Republican primary for the 42nd district seat featured three candidates.

• Ryan Edward Byrne, Director of Marketing for Cunningham Trading Systems, LLC and BS in Mechanical Engineering from Washington University in St. Louis.[133]
• Amy Grant, former school teacher of Pittsburgh Public Schools, DuPage County Board member since her election in 2012, and a Milton Township Republican Committeewoman since 2006.[134]
• Burt Minor, former member of the Wheaton Chamber of Commerce, former alderman of Warrenville, Illinois, and a retired USAF Officer Lieutenant Colonel.[135]

Burt Minor would face controversy after the leak of a conversation he had with Republican candidate for Illinois Attorney General Erika Harold. The conversation involved Burt Minor asking Erika Harold about her marriage status, asking if she was a "lesbo" and frequent use of the n-word in front of her and her assistant, asking whether Erika Harold found it offensive.[136]

Kathleen Carrier, family caregiver, precinct committeeman since 2003, and former chair of the Wayne Township Democratic Party was the sole Democratic nominee for the 42nd district.[137]

The 43rd district, located in the Chicago area, includes parts of Barrington Hills, Carpentersville, East Dundee, Elgin, Hoffman Estates, and South Elgin.[33] The district has been represented by Democrat Anna Moeller since her appointment in March 2014.[138] Moeller faced a Republican challenger in the general election from Andrew Cuming, property management company owner, member of the Citizen's Police Academy Alumni Association, and President of the Elgin Southwest Area Neighbors.[139]

The 44th district, located in the Chicago area, includes all or parts of Bartlett, Elgin, Hanover Park, Hoffman Estates, Schaumburg, and Streamwood.[33] The district has been represented by Democrat Fred Crespo since January 10, 2007.[140] Crespo faced a Republican challenger in the general election from Katy Dolan Baumer, business owner, worked as President of the Streamwood Chamber of Commerce, and clerk to the Hanover Township.[141][142]

The 45th district, located in the Chicago area, includes all or parts of Addison, Bartlett, Bloomingdale, Carol Stream, Elk Grove Village, Hanover Park, Itasca, Roselle, Streamwood, Wayne, West Chicago, and Wood Dale.[33] The district had been represented by Republican Christine Winger since January 14, 2015.[143] Prior to the primary election, the Democratic nominee for the district was Cynthia Borbas, IT consultant, formerly volunteered at the Carol Stream Chamber of Commerce, and formerly volunteered at the Northern Illinois Food Bank.[144] At some unknown time, Borbas would withdraw from the race. Diane Pappas, attorney specializing in corporate counsel, former President of the Friends of the Itasca Community Library, and a Democratic Precinct Committeeman of Addison Township Precinct 23 would become the Democratic candidate for the general election.[145]

The 46th district, located in the Chicago area, includes all or parts of Addison, Bloomingdale, Carol Stream, Elmhurst, Glen Ellyn, Glendale Heights, Hanover Park, Lombard, Oakbrook Terrace, Villa Park, and Wheaton.[33] The district has been represented by Democrat Deb Conroy since January 9, 2013.[146] The Republican primary saw two candidates seek the nomination for the general election. Gordon "Jay" Kinzler, doctor and surgeon, member of the Glen Ellyn Park District Board, and former commissioner of the Environmental Commission of the Village of Glen Ellyn.[147] Roger Orozco, police detective and former school board member of Community Consolidated School District 93.[148]

The 47th district, located in the Chicago area, includes all or parts of Burr Ridge, Clarendon Hills, Darien, Downers Grove, Elmhurst, Hinsdale, Lombard, Oak Brook, Oakbrook Terrace, Villa Park, Western Springs, Westmont, and Willowbrook.[33] The district had been represented by Republican Patti Bellock since January 13, 1999.[149] She had been the Deputy House Minority Leader since October 2013. On August 1, 2017, Bellock announced her intention to retire at the end of her term.[19] Deanne Mazzochi, lawyer, business owner, and former chairman of the College of DuPage Board of Trustees, was the Republican nominee for this election.[150] The Democratic primary featured two candidates. Jim Caffrey, former customer team manager for Clorox, a Democratic Precinct Committeeman, and served in the Peace Corps for 2 years. Anne Sommerkamp, prenatal educator, former journalist from 1980 to 1999, and former candidate for Downers Grove Township Clerk in 2017.[151][152] Caffrey would go on to win the primary election and become the Democratic nominee. Patti Bellock would resign from her state representative seat to serve as Illinois Department of Healthcare and Family Services Director. Candidate Mazzochi would then be appointed on July 16, 2018 to fill the vacancy.[153]

The 48th district, located in the Chicago area, includes parts of Downers Grove, Glen Ellyn, Lisle, Lombard, Oakbrook Terrace, Villa Park, and Wheaton.[33] The district had been represented by Republican Peter Breen since January 14, 2015.[154] The Democratic candidate for this election was Terra Costa Howard, lawyer, former member of the Glen Ellyn School District 41 Board of Education, and adjunct professor at College of DuPage.[155]

The 49th district, located in the Chicago area, includes parts of Aurora, Bartlett, Batavia, Elgin, Geneva, Naperville, North Aurora, South Elgin, St. Charles, Warrenville, Wayne, and West Chicago.[33] The district had been represented by Republican Mike Fortner since January 10, 2007.[156] Fortner announced August 7, 2017 that he would not seek reelection.[20] The Democratic nominee, and winner of the general election, was Karina Villa. Villa was a school social worker, member of the West Chicago District 33 Board of Education since 2013, and vice president of the West Chicago 33 Board of Education.[157] The Republican candidate was Tonia Jane Khouri, business owner, DuPage County board member, and chair of the DuPage County Economic Development Committee.[158] She won the Republican primary against Nic Zito.[159]

The 50th district, located in the Chicago area, includes all or parts of Aurora, Batavia, Big Rock, Campton Hills, Elburn, Geneva, Lily Lake, Montgomery, North Aurora, Oswego, Plano, Prestbury, St. Charles, Sugar Grove, and Yorkville.[33] The district has been represented by Republican Keith R. Wheeler since January 14, 2015.[160] The Democratic candidate for this election was James Leslie, firefighter/paramedic, former executive of the Naperville IAFF L4302, and first-time candidate.[161]

The 51st district, located in the Chicago area, includes all or parts of Arlington Heights, Barrington, Barrington Hills, Buffalo Grove, Deer Park, Forest Lake, Grayslake, Green Oaks, Gurnee, Hawthorn Woods, Kildeer, Lake Barrington, Lake Zurich, Libertyville, Long Grove, Mettawa, Mundelein, North Barrington, Tower Lakes, Vernon Hills, Wauconda, and Waukegan.[33] The district had been represented by Republican Nick Sauer since December 2016.[162] Nick Sauer was slated to be the Republican nominee for the general election. On August 1, 2018, Politico reported on Sauer allegedly using his ex-girlfriend's nude photos to catfish for seeking online relationships with men. Sauer would then resign at 5 pm on the same day.[21][22] Helene Walsh, wife of former US representative Joe Walsh, was appointed to Sauer's seat on August 18, 2018.[163]

Mary Edly-Allen, bilingual teacher, co-founder of Foundation 46, and board member of the Illinois Science Olympiad was the Democratic candidate for the general election.[164]

The 52nd district, located in the Chicago area, includes all or parts of Algonquin, Barrington, Barrington Hills, Carpentersville, Cary, Crystal Lake, East Dundee, Fox River Grove, Hoffman Estates, Inverness, Island Lake, Lake Barrington, Lake in the Hills, North Barrington, Oakwood Hills, Port Barrington, Prairie Grove, South Barrington, Tower Lakes, Trout Valley, and Wauconda.[33] The district has been represented by Republican David McSweeney since January 9, 2013.[167] McSweeney faced neither any challengers in his primary nor any Democratic challengers in the general election.