Rock County, Minnesota

Rock County is a county located in the southwestern corner of the U.S. state of Minnesota. According to the 2020 census, its population was 9,704.[1] The county seat is Luverne.[2]

Rock County
County
Rock County Courthouse
Rock County Courthouse
Map of Minnesota highlighting Rock County
Location within the U.S. state of Minnesota
Map of the United States highlighting Minnesota
Minnesota's location within the U.S.
Coordinates: 43°40′N 96°15′W
Country United States
State Minnesota
FoundedMay 23, 1857 (created)
March 5, 1870 (organized)
Named forRock outcrop on Rock River
SeatLuverne
Largest cityLuverne
Area
 • Total483 sq mi (1,250 km2)
 • Land482 sq mi (1,250 km2)
 • Water0.3 sq mi (0.8 km2)  0.06%
Population
 (2020)
 • Total9,704
 • Estimate 
(2022)
9,537 Decrease
 • Density20.1/sq mi (7.8/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district1st
Websitewww.co.rock.mn.us

History

The county was established on May 23, 1857, by an act of the territorial legislature, although it was not organized at that time. Originally, the area was designated as Pipestone County, and the name Rock County was given to what is now Pipestone County. However, in 1862, the Minnesota state legislature changed the designations, assigning the present names to the respective counties. On March 5, 1870, the state legislature passed an act that finalized the organization of Rock County and designated Luverne as its county seat. The county derived its name from the Rock River, which was named after a prominent rocky outcrop referred to as "The Rock" on an 1843 map of the area. This outcrop is composed of reddish-gray quartzite and is located approximately 3 miles (4.8 km) north of Luverne. The mound stands out dramatically amidst the surrounding low prairie.[3] Another source suggests that the county's name is attributed to its rocky soil.[4]

Geography

Rock County is located at the southwestern corner of Minnesota. Its western border shares a boundary with the eastern border of South Dakota, while its southern border is adjacent to the northern border of Iowa. The county is characterized by the flow of the Rock River, which runs southward through its east central part, and Beaver Creek, which flows southward through its west central region. The landscape primarily consists of low rolling hills with various drainages. The county's predominant land use is agriculture.[5] The terrain gradually slopes southward, with the highest point situated near the midpoint of the county's northern boundary, reaching an elevation of 1,759 ft (536 m) above sea level.[6] Rock County spans an area of 483 square miles (1,250 km2), of which 482 square miles (1,250 km2) is land and 0.3 square miles (0.78 km2) (0.06%) is water.[7] The entire county falls within the hot summer humid continental climate zone (Dfa).

Soils of Rock County[8]

Lakes

One of Minnesota's nicknames is "Land of 10,000 Lakes", and it is speckled with bodies of water large and small. But four of the state's counties do not contain a natural lake; Rock County is one of them.[9] Rock County did host a manmade lake from 1938 until 2014: a WPA work project constructed a small dam (the "Lower Dam") on Blue Mounds Creek in 1938, creating a small lake in Blue Mounds State Park. This continued until June 2014, when the dam was damaged by rain and floodwaters, allowing the pond to drain.[10] In June 2016 the Minnesota Department of Natural Resources announced its decision not to rebuild the dam.[11]

Major highways

Adjacent counties[6]

Protected areas[5]

Demographics
Historical population
CensusPop.Note%±
186023—
1870138500.0%
18803,6692,558.7%
18906,81785.8%
19009,66841.8%
191010,2225.7%
192010,9657.3%
193010,9620.0%
194010,933−0.3%
195011,2783.2%
196011,8645.2%
197011,346−4.4%
198010,703−5.7%
19909,806−8.4%
20009,721−0.9%
20109,687−0.3%
20209,7040.2%
2022 (est.)9,537[12]−1.7%
U.S. Decennial Census[13]
1790-1960[14] 1900-1990[15]
1990-2000[16] 2010-2020[1]

2020 census
Rock County, Minnesota - Demographic Profile
(NH = Non-Hispanic)
Race / Ethnicity Pop 2010[17] Pop 2020[18] % 2010 % 2020
White alone (NH) 9,239 8,886 95.38% 91.57%
Black or African American alone (NH) 58 50 0.60% 0.51%
Native American or Alaska Native alone (NH) 31 48 0.32% 0.50%
Asian alone (NH) 53 62 0.55% 0.64%
Pacific Islander alone (NH) 1 10 0.01% 0.10%
Some Other Race alone (NH) 4 0 0.04% 0.00%
Mixed Race/Multi-Racial (NH) 284 3,889 0.11% 0.29%
Hispanic or Latino (any race) 197 364 2.03% 3.75%
Total 9,687 9,704 100.00% 100.00%

Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos can be of any race.

2000 census
Age pyramid of county residents based on 2000 census data

As of the census of 2000, there were 9,721 people, 3,843 households, and 2,705 families in the county. The population density was 20.2 per square mile (7.8/km2). There were 4,137 housing units at an average density of 8.58 per square mile (3.31/km2). The racial makeup of the county was 97.27% White, 0.53% Black or African American, 0.43% Native American, 0.62% Asian, 0.02% Pacific Islander, 0.53% from other races, and 0.59% from two or more races. 1.28% of the population were Hispanic or Latino of any race. 41.4% were of German, 23.8% Dutch and 16.5% Norwegian ancestry.

There were 3,843 households, out of which 31.30% had children under the age of 18 living with them, 62.10% were married couples living together, 5.50% had a female householder with no husband present, and 29.60% were non-families. 27.00% of all households were made up of individuals, and 15.70% had someone living alone who was 65 years of age or older. The average household size was 2.47 and the average family size was 3.01.

The county population contained 26.30% under the age of 18, 7.20% from 18 to 24, 24.10% from 25 to 44, 22.00% from 45 to 64, and 20.40% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 97.60 males. For every 100 females age 18 and over, there were 93.00 males.

The median income for a household in the county was $38,102, and the median income for a family was $44,296. Males had a median income of $28,776 versus $22,166 for females. The per capita income for the county was $17,411. About 5.50% of families and 8.00% of the population were below the poverty line, including 8.10% of those under age 18 and 8.90% of those age 65 or over.

Communities
Rock County Administrative map (Minnesota)

Cities

Unincorporated communities

Ghost towns

Townships

Much of the second season of Fargo is set in Luverne and Rock County.

Government and politics
County Board of Commissioners[19]
Position Name District
Commissioner Gary Overgaard District 1
Commissioner Stan Williamson District 2
Commissioner Greg Burger District 3
Commissioner Sherri Thompson District 4
Commissioner Jody Reisch District 5
State Legislature (2018-2020)
Position Name Affiliation District
Senate Bill Weber[20] Republican District 22
House of Representatives Joe Schomacker[21] Republican District 22A
U.S Congress (2021-2023)
Position Name Affiliation District
House of Representatives Brad Finstad[22] Republican 1st
Senate Amy Klobuchar[23] Democrat N/A
Senate Tina Smith[24] Democrat N/A

National politics

Rock County traditionally votes Republican. In no presidential election since 1964 has it selected the Democratic candidate. It and Pipestone County were the only Minnesota counties Amy Klobuchar did not win in her 2012 Senate race.[25]

United States presidential election results for Rock County, Minnesota[26]
Year Republican Democratic Third party
No. %No. %No. %
2020 3,583 68.38% 1,556 29.69% 101 1.93%
2016 3,091 63.88% 1,373 28.37% 375 7.75%
2012 2,810 57.99% 1,946 40.16% 90 1.86%
2008 2,775 55.78% 2,079 41.79% 121 2.43%
2004 3,111 59.93% 2,000 38.53% 80 1.54%
2000 2,772 55.33% 2,081 41.54% 157 3.13%
1996 2,169 44.23% 2,142 43.68% 593 12.09%
1992 2,065 38.68% 2,006 37.58% 1,267 23.74%
1988 2,737 52.48% 2,435 46.69% 43 0.82%
1984 2,971 57.18% 2,188 42.11% 37 0.71%
1980 3,164 55.38% 2,089 36.57% 460 8.05%
1976 2,892 50.39% 2,769 48.25% 78 1.36%
1972 3,470 61.83% 2,089 37.22% 53 0.94%
1968 3,056 56.87% 2,084 38.78% 234 4.35%
1964 2,389 45.19% 2,896 54.78% 2 0.04%
1960 3,469 65.49% 1,823 34.42% 5 0.09%
1956 3,267 67.19% 1,591 32.72% 4 0.08%
1952 3,774 74.48% 1,286 25.38% 7 0.14%
1948 2,035 48.06% 2,134 50.40% 65 1.54%
1944 2,584 60.66% 1,649 38.71% 27 0.63%
1940 2,944 59.46% 1,983 40.05% 24 0.48%
1936 1,752 36.21% 2,910 60.15% 176 3.64%
1932 1,452 34.56% 2,695 64.15% 54 1.29%
1928 2,433 60.03% 1,607 39.65% 13 0.32%
1924 2,065 51.98% 261 6.57% 1,647 41.45%
1920 3,121 84.53% 442 11.97% 129 3.49%
1916 1,196 59.68% 705 35.18% 103 5.14%
1912 463 25.58% 466 25.75% 881 48.67%
1908 1,234 67.21% 525 28.59% 77 4.19%
1904 1,243 79.12% 241 15.34% 87 5.54%
1900 1,234 65.19% 573 30.27% 86 4.54%
1896 1,209 59.85% 765 37.87% 46 2.28%
1892 940 59.64% 383 24.30% 253 16.05%

See also

References
  1. "State & County QuickFacts". United States Census Bureau. Retrieved April 23, 2023.
  2. "Find a County". National Association of Counties. Retrieved June 7, 2011.
  3. Upham, Warren. Minnesota Geographic Names, p. 466 (1920). Accessed March 13, 2019
  4. Chicago and North Western Railway Company (1908). A History of the Origin of the Place Names Connected with the Chicago & North Western and Chicago, St. Paul, Minneapolis & Omaha Railways. p. 163.
  5. [ ]
  6. "Find an Altitude/Rock County MN" Google Maps (accessed March 13, 2019)
  7. "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Archived from the original on September 21, 2013. Retrieved October 24, 2014.
  8. Nelson, Steven (2011) Savanna Soils of Minnesota. Minnesota: Self. pp. 69-70. ISBN 978-0-615-50320-2.
  9. The four counties lacking a natural lake are Mower, Olmsted, Pipestone, and Rock.
  10. "Luverne Dam Breaks, Drains Popular Lake". KELOLAND News. Retrieved February 5, 2018.
  11. "DNR Decides Not To Rebuld Blue Mounds State Park Dam" (Minnesota Natural Resources news release dated June 22, 2016). Accessed March 13, 2019
  12. "Annual Estimates of the Resident Population for Counties: April 1, 2020 to July 1, 2022". Retrieved April 23, 2023.
  13. "U.S. Decennial Census". United States Census Bureau. Retrieved October 24, 2014.
  14. "Historical Census Browser". University of Virginia Library. Retrieved October 24, 2014.
  15. "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved October 24, 2014.
  16. "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 October 24, 2014.
  17. "P2 HISPANIC OR LATINO, AND NOT HISPANIC OR LATINO BY RACE - 2010: DEC Redistricting Data (PL 94-171) - Rock County, Minnesota". United States Census Bureau.
  18. "P2 HISPANIC OR LATINO, AND NOT HISPANIC OR LATINO BY RACE - 2020: DEC Redistricting Data (PL 94-171) - Rock County, Minnesota". United States Census Bureau.
  19. "Rock County, Minnesota". www.co.rock.mn.us. Retrieved April 25, 2023.
  20. "MN State Senate". www.senate.mn. Retrieved June 25, 2020.
  21. "Rep. Joe Schomacker (22A) - Minnesota House of Representatives". www.house.leg.state.mn.us. Retrieved June 25, 2020.
  22. "Republican Rep. Brad Finstad sworn in to finish Hagedorn's House term". August 12, 2022.
  23. "U.S. Senator Amy Klobuchar". www.klobuchar.senate.gov. Retrieved June 24, 2020.
  24. "Home". Senator Tina Smith. Retrieved June 24, 2020.
  25. "Minnesota 2012 senate results by county". New York Times. Retrieved November 19, 2020.
  26. Leip, David. "Atlas of US Presidential Elections". uselectionatlas.org. Retrieved October 10, 2018.

43.67°N 96.25°W / 43.67; -96.25

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