Marshall County, Iowa

Marshall County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 40,105.[1] The county seat and largest city is Marshalltown.[2] The county was formed on January 13, 1846, and named after John Marshall, Chief Justice of the United States Supreme Court.[3]

Marshall County
County
The courthouse in Marshalltown is on the NRHP
The courthouse in Marshalltown is on the NRHP
Map of Iowa highlighting Marshall County
Location within the U.S. state of Iowa
Map of the United States highlighting Iowa
Iowa's location within the U.S.
Coordinates: 42°02′03″N 93°00′04″W
Country United States
State Iowa
Founded1846
Named forJohn Marshall
SeatMarshalltown
Largest cityMarshalltown
Area
 • Total573 sq mi (1,480 km2)
 • Land572 sq mi (1,480 km2)
 • Water0.7 sq mi (2 km2)  0.1%
Population
 (2020)
 • Total40,105
 • Density70/sq mi (27/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district1st
Websitewww.marshallcountyia.gov

Marshall County comprises the Marshalltown, IA Micropolitan Statistical Area.

In 2010, the center of population of Iowa was located in Marshall County, near Melbourne.[4]

Geography

According to the U.S. Census Bureau, the county has a total area of 573 square miles (1,480 km2), of which 573 square miles (1,480 km2) is land and 0.7 square miles (1.8 km2) (0.1%) is water.[5]

Transit

Major highways

Adjacent counties

Jasper County (South)
Tama County (East)
Story County (West)
Hardin County (Northwest)
Grundy County (North)

Demographics
Historical population
CensusPop.Note%±
1850338—
18606,0151,679.6%
187017,576192.2%
188023,75235.1%
189025,8428.8%
190029,99116.1%
191030,2791.0%
192032,6307.8%
193033,7273.4%
194035,4065.0%
195035,6110.6%
196037,9846.7%
197041,0768.1%
198041,6521.4%
199038,276−8.1%
200039,3112.7%
201040,6483.4%
202040,105−1.3%
U.S. Decennial Census[6]
1790-1960[7] 1900-1990[8]
1990-2000[9] 2010-2018[10]
Population of Marshall County from US census data

2020 census

The 2020 census recorded a population of 40,105 in the county, with a population density of 70.1835/sq mi (27.0980/km2). 90.76% of the population reported being of one race. There were 16,745 housing units, of which 15,358 were occupied.[1]

Marshall County Racial Composition[11]
Race Num. Perc.
White (NH) 27,438 68.42%
Black or African American (NH) 785 2%
Native American (NH) 153 0.4%
Asian (NH) 1,514 3.8%
Pacific Islander (NH) 33 0.08%
Other/Mixed (NH) 1,042 2.6%
Hispanic or Latino 9,140 22.8%

2010 census

The 2010 census recorded a population of 40,648 in the county, with a population density of 71.0232/sq mi (27.4222/km2). There were 16,831 housing units, of which 15,538 were occupied.[12]

2000 census
2000 Census Age Pyramid for Marshall County

At the 2000 census there were 39,311 people, 15,338 households, and 10,460 families in the county. The population density was 69 people per square mile (27 people/km2). There were 16,324 housing units at an average density of 28 units per square mile (11 units/km2). The racial makeup of the county was 90.44% White, 0.93% Black or African American, 0.35% Native American, 0.78% Asian, 0.06% Pacific Islander, 6.03% from other races, and 1.42% from two or more races. 8.96%.[13] were Hispanic or Latino of any race.

Of the 15,338 households 31.10% had children under the age of 18 living with them, 55.40% were married couples living together, 9.30% had a female householder with no husband present, and 31.80% were non-families. 26.90% of households were one person and 12.20% were one person aged 65 or older. The average household size was 2.48 and the average family size was 3.00.

The age distribution was 25.30% under the age of 18, 8.10% from 18 to 24, 26.30% from 25 to 44, 23.90% from 45 to 64, and 16.40% 65 or older. The median age was 39 years. For every 100 females there were 99.20 males. For every 100 females age 18 and over, there were 96.50 males.

The median household income was $38,268 and the median family income was $46,627. Males had a median income of $33,809 versus $24,063 for females. The per capita income for the county was $19,176. About 7.10% of families and 10.20% of the population were below the poverty line, including 14.30% of those under age 18 and 8.60% of those age 65 or over.

Communities

Cities

Census-designated place

Other unincorporated communities

Townships

Population ranking

The population ranking of the following table is based on the 2020 census of Marshall County.[1]

† county seat

Rank City/Town/etc. Municipal type Population (2020 Census)
1 † Marshalltown City 27,591
2 State Center City 1,391
3 Le Grand (partially in Tama County) City 905
4 Melbourne City 786
5 Gilman City 542
6 Albion City 448
7 Liscomb City 291
8 Rhodes City 271
9 Laurel City 220
10 Haverhill City 165
11 Clemons City 140
12 Green Mountain CDP 113
13 Ferguson City 97
14 St. Anthony City 76

Politics

Prior to 1964, Marshall County was strongly Republican, never backing a Democratic presidential candidate from 1880 to 1960 and only failing to back a Republican candidate during those years in 1912 with a strong third party campaign by former president Theodore Roosevelt on the Bull Moose ticket. Since then, it has become far more of a swing county, having backed the national winner in the seven presidential elections from 1992 to 2016. That streak was broken in 2020, when Donald Trump won the county but lost nationally. The county is considered a bellwether polity.[15]

United States presidential election results for Marshall County, Iowa[16]
Year Republican Democratic Third party
No. %No. %No. %
2020 9,571 52.77% 8,176 45.08% 389 2.14%
2016 9,146 50.87% 7,652 42.56% 1,182 6.57%
2012 8,472 44.44% 10,257 53.80% 335 1.76%
2008 8,278 44.36% 10,023 53.71% 362 1.94%
2004 9,557 49.87% 9,443 49.27% 164 0.86%
2000 8,785 49.85% 8,322 47.22% 517 2.93%
1996 7,017 40.50% 8,669 50.04% 1,638 9.46%
1992 6,784 37.09% 8,303 45.40% 3,202 17.51%
1988 7,657 43.63% 9,760 55.62% 132 0.75%
1984 10,839 54.63% 8,809 44.40% 192 0.97%
1980 10,707 54.56% 7,114 36.25% 1,805 9.20%
1976 9,562 51.33% 8,695 46.67% 373 2.00%
1972 10,798 60.85% 6,618 37.30% 328 1.85%
1968 9,402 56.35% 6,362 38.13% 922 5.53%
1964 6,323 39.09% 9,815 60.68% 38 0.23%
1960 10,265 60.23% 6,761 39.67% 16 0.09%
1956 10,305 62.74% 5,755 35.04% 365 2.22%
1952 11,135 65.93% 5,314 31.46% 441 2.61%
1948 6,698 52.19% 5,602 43.65% 533 4.15%
1944 7,325 55.67% 5,598 42.55% 234 1.78%
1940 8,503 56.44% 6,497 43.13% 65 0.43%
1936 7,377 52.66% 6,297 44.95% 334 2.38%
1932 6,604 48.98% 6,385 47.36% 494 3.66%
1928 9,326 72.90% 3,384 26.45% 82 0.64%
1924 9,010 68.09% 1,516 11.46% 2,707 20.46%
1920 9,334 79.10% 2,166 18.36% 300 2.54%
1916 4,172 60.32% 2,414 34.90% 330 4.77%
1912 926 13.79% 2,162 32.19% 3,629 54.03%
1908 3,887 61.34% 1,941 30.63% 509 8.03%
1904 4,229 66.74% 1,203 18.98% 905 14.28%
1900 4,878 65.07% 2,329 31.07% 289 3.86%
1896 4,541 61.85% 2,626 35.77% 175 2.38%

See also

References
  1. "2020 Census State Redistricting Data". census.gov. United states Census Bureau. Retrieved August 12, 2021.
  2. "Find a County". National Association of Counties. Retrieved June 7, 2011.
  3. "Courthouse History—Marshall County, Iowa". Archived from the original on October 29, 2018. Retrieved January 20, 2008.
  4. "Centers of Population by State: 2010". United States Census Bureau. Retrieved July 20, 2014.
  5. "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. February 12, 2011. Retrieved April 23, 2011.
  6. "U.S. Decennial Census". United States Census Bureau. Retrieved July 20, 2014.
  7. "Historical Census Browser". University of Virginia Library. Retrieved July 20, 2014.
  8. "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 20, 2014.
  9. "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Archived (PDF) from the original on March 27, 2010. Retrieved July 20, 2014.
  10. "State & County QuickFacts". United States Census Bureau. Archived from the original on June 7, 2011. Retrieved July 20, 2014.
  11. "P2 HISPANIC OR LATINO, AND NOT HISPANIC OR LATINO BY RACE – 2020: DEC Redistricting Data (PL 94-171) – Marshall County, Iowa".
  12. "Population & Housing Occupancy Status 2010" (PDF). United States Census Bureau American FactFinder. Archived (PDF) from the original on October 16, 2020. Retrieved August 15, 2022.
  13. "U.S. Census website". United States Census Bureau. Retrieved January 31, 2008.
  14. "RootsWeb.com Home Page". freepages.family.rootsweb.ancestry.com. Retrieved April 11, 2018.
  15. David Wasserman (October 6, 2020), "The 10 Bellwether Counties That Show How Trump Is in Serious Trouble", Nytimes.com
  16. Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". uselectionatlas.org. Retrieved February 22, 2021.
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