Clark County, Missouri

Not to be confused with Clark, Missouri.

Clark County, Missouri
County
Clark County Courthouse in Kahoka
Location within the U.S. state of Missouri
Coordinates: 40°25′N 91°44′W / 40.41°N 91.74°W / 40.41; -91.74
Country United States
State Missouri
FoundedDecember 16, 1836
Named afterWilliam Clark
SeatKahoka
Largest cityKahoka
Area
 • Total
512 sq mi (1,330 km2)
 • Land505 sq mi (1,310 km2)
 • Water7.1 sq mi (18 km2)  1.4%
Population
 (2020)
 • Total
6,634
 • Density13.1/sq mi (5.07/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district6th
Websitehttps://clarkcountymo.org/

Clark County is a county located in the U.S. state of Missouri. As of the 2020 census, its population was 6,634.[1] Its county seat is Kahoka.[2] The county was organized December 16, 1836, and named for William Clark, leader of the Lewis and Clark Expedition and later Governor of Missouri Territory.[3][4]

Clark County is part of the Fort Madison–Keokuk, IA-IL-MO Micropolitan Statistical Area.

History

Missouri folklorist Margot Ford McMillen wrote that early settlers were attracted by Clark County's good and inexpensive agricultural land. One section was called "Bit Nation" because land was sold there for just twelve and one-half cents ("one bit" of a Spanish dollar) an acre.[5] In 1861, the Battle of Athens during the American Civil War took place in the town of Athens, Missouri in Clark County. The Battle of Athens Historical Site is a state park in Clark County at the site of the battle.[6]

Geography

According to the U.S. Census Bureau, the county has a total area of 512 square miles (1,330 km2), of which 505 square miles (1,310 km2) is land and 7.1 square miles (18 km2) (1.4%) is water.[7]

Adjacent counties

Major highways

National protected area

Demographics

Historical population
CensusPop.Note%±
18402,846—
18505,52794.2%
186011,684111.4%
187013,66717.0%
188015,03110.0%
189015,1260.6%
190015,3831.7%
191012,811−16.7%
192011,874−7.3%
193010,254−13.6%
194010,166−0.9%
19509,003−11.4%
19608,725−3.1%
19708,260−5.3%
19808,4932.8%
19907,547−11.1%
20007,416−1.7%
20107,139−3.7%
20206,634−7.1%
U.S. Decennial Census[8]
1790-1960[9] 1900-1990[10]
1990-2000[11] 2010-2015[1]

2020 census

As of the 2020 census, the county had a population of 6,634. The median age was 43.5 years. 23.7% of residents were under the age of 18 and 22.3% of residents were 65 years of age or older. For every 100 females there were 101.8 males, and for every 100 females age 18 and over there were 99.9 males age 18 and over.[12]

The racial makeup of the county was 95.9% White, 0.3% Black or African American, 0.1% American Indian and Alaska Native, 0.2% Asian, 0.0% Native Hawaiian and Pacific Islander, 0.3% from some other race, and 3.2% from two or more races. Hispanic or Latino residents of any race comprised 0.8% of the population.[13]

As of the 2020 census, 0.0% of residents lived in urban areas, while 100.0% lived in rural areas.[14]

There were 2,752 households in the county, of which 28.2% had children under the age of 18 living with them and 23.2% had a female householder with no spouse or partner present. About 31.2% of all households were made up of individuals and 16.1% had someone living alone who was 65 years of age or older.[12]

There were 3,216 housing units, of which 14.4% were vacant. Among occupied housing units, 75.4% were owner-occupied and 24.6% were renter-occupied. The homeowner vacancy rate was 1.4% and the rental vacancy rate was 5.4%.[12]

Racial and ethnic composition

Clark County, Missouri – Racial and ethnic composition
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 may be of any race.
Race / Ethnicity (NH = Non-Hispanic) Pop 1980[15] Pop 1990[16] Pop 2000[17] Pop 2010[18] Pop 2020[19] % 1980 % 1990 % 2000 % 2010 % 2020
White alone (NH) 8,447 7,506 7,294 6,978 6,337 99.46% 99.46% 98.35% 97.74% 95.52%
Black or African American alone (NH) 6 3 5 19 21 0.07% 0.04% 0.07% 0.27% 0.32%
Native American or Alaska Native alone (NH) 3 6 15 8 9 0.04% 0.08% 0.20% 0.11% 0.14%
Asian alone (NH) 7 4 5 22 12 0.08% 0.05% 0.07% 0.31% 0.18%
Native Hawaiian or Pacific Islander alone (NH) x [20] x [21] 1 0 0 x x 0.01% 0.00% 0.00%
Other race alone (NH) 2 2 0 0 10 0.02% 0.03% 0.00% 0.00% 0.15%
Mixed race or Multiracial (NH) x [22] x [23] 44 70 195 x x 0.59% 0.98% 2.94%
Hispanic or Latino (any race) 28 26 52 42 50 0.33% 0.34% 0.70% 0.59% 0.75%
Total 8,493 7,547 7,416 7,139 6,634 100.00% 100.00% 100.00% 100.00% 100.00%

2010 census

As of the census[24] of 2010, there were 7,139 people, 2,966 households, and 2,079 families residing in the county. The population density was 15 people per square mile (5.8 people/km2). There were 3,483 housing units at an average density of 7 units per square mile (2.7/km2). The racial makeup of the county was 98.83% White, 0.07% Black or African American, 0.20% Native American, 0.07% Asian, 0.01% Pacific Islander, 0.22% from other races, and 0.61% from two or more races. Approximately 0.70% of the population were Hispanic or Latino of any race.

There were 2,966 households, out of which 30.30% had children under the age of 18 living with them, 58.70% were married couples living together, 7.00% had a female householder with no husband present, and 29.90% were non-families. 26.40% of all households were made up of individuals, and 13.60% had someone living alone who was 65 years of age or older. The average household size was 2.46 and the average family size was 2.95.

In the county, the population was spread out, with 25.00% under the age of 18, 7.80% from 18 to 24, 25.50% from 25 to 44, 25.00% from 45 to 64, and 16.70% who were 65 years of age or older. The median age was 39 years. For every 100 females, there were 97.60 males. For every 100 females age 18 and over, there were 94.00 males.

The median income for a household in the county was $29,457, and the median income for a family was $36,270. Males had a median income of $27,279 versus $19,917 for females. The per capita income for the county was $15,988. About 10.80% of families and 14.10% of the population were below the poverty line, including 19.70% of those under age 18 and 12.70% of those age 65 or over.

Education

There are four school districts covering portions of the county, including those which have schools and/or administration buildings in other counties:[25]

Wyaconda C-1 School District closed in 2008.[26] The Revere C-3 School District closed in 2012.[27]

Public schools

Private schools

Public libraries

  • Northeast Missouri Library Service[28]

Communities

Cities

Villages

Census-designated places

Other unincorporated places

Townships (all inactive)

Politics

Local

The Republican Party controls politics at the local level in Clark County. As of 2018, Republicans hold nine of fourteen of the elected positions in the county.

Clark County, Missouri
Elected countywide officials
Assessor John Campbell Republican
Circuit Clerk Kimberly Smith Republican
County Clerk Kelly Waples Republican
Collector Michelle Allen Republican
Commissioner
(presiding)		 Steven Krueger Republican
Commissioner
(district 1)		 Timothy Harper Republican
Commissioner
(district 2)		 Joseph Humes Republican
Coroner Edwin Wilson Republican
Prosecuting Attorney Lindsay Gravett Republican
Public Administrator Melissa Vigen Democratic
Recorder Melissa Bevans Republican
Sheriff Shawn Webster Republican
Surveyor Kevin Flood Republican
Treasurer Roberta McAfee Republican

State

Past Gubernatorial Election Results
Year Republican Democratic Third Parties
2024 80.10% 2,616 17.02% 556 2.88% 94
2020 79.09% 2,667 19.22% 648 1.69% 57
2016 62.34% 2,053 34.74% 1,144 2.92% 96
2012 40.78% 1,312 56.64% 1,822 2.58% 83
2008 51.33% 1,772 46.00% 1,588 1.67% 92
2004 66.98% 2,469 30.63% 1,129 2.38% 88
2000 46.47% 1,751 51.17% 1,928 2.36% 89
1996 29.87% 966 68.46% 2,214 1.67% 54

All of Clark County is included in Missouri's 4th District in the Missouri House of Representatives and is represented by Craig Redmon (R-Ewing).

Missouri House of Representatives — District 4 — Clark County
Party Candidate Votes % ±%
Republican Greg Sharpe
Missouri House of Representatives — District 4 — Clark County (2014)
Party Candidate Votes % ±%
Republican Craig Redmon 1,794 100.00%
Missouri House of Representatives — District 4 — Clark County (2012)
Party Candidate Votes % ±%
Republican Craig Redmon 2.582 100.00%

All of Clark County is a part of Missouri's 18th District in the Missouri Senate and is currently represented by Cindy O'Laughlin (R-Shelbina).

Missouri Senate — District 18 — Clark County (2014)
Party Candidate Votes % ±%
Republican Brian Munzlinger 1,837 100.00%

Federal

U.S. Senate — Missouri — Clark County (2016)
Party Candidate Votes % ±%
Republican Roy Blunt 2,037 62.16% +22.17
Democratic Jason Kander 1,059 32.32% −23.90
Libertarian Jonathan Dine 98 2.99% −0.80
Green Johnathan McFarland 40 1.22% +1.22
Constitution Fred Ryman 43 1.31% +1.31
U.S. Senate — Missouri — Clark County (2012)
Party Candidate Votes % ±%
Republican Todd Akin 1.288 39.99%
Democratic Claire McCaskill 1,811 56.22%
Libertarian Jonathan Dine 122 3.79%

All of Clark County is included in Missouri's 6th Congressional District and is currently represented by Sam Graves (R-Tarkio) in the U.S. House of Representatives.

U.S. House of Representatives — Missouri's 6th Congressional District — Clark County (2016)
Party Candidate Votes % ±%
Republican Sam Graves 2,413 75.24% +3.79
Democratic David M. Blackwell 673 20.99% −4.49
Libertarian Russ Lee Monchil 68 2.12% −0.95
Green Mike Diel 53 1.65% +1.65
U.S. House of Representatives — Missouri’s 6th Congressional District — Clark County (2014)
Party Candidate Votes % ±%
Republican Sam Graves 1,464 71.45% +13.75
Democratic Bill Hedge 522 25.48% −13.91
Libertarian Russ Lee Monchil 63 3.07% +0.16
U.S. House of Representatives — Missouri's 6th Congressional District — Clark County (2012)
Party Candidate Votes % ±%
Republican Sam Graves 1,746 57.70%
Democratic Kyle Yarber 1,192 39.39%
Libertarian Russ Lee Monchil 88 2.91%
United States presidential election results for Clark County, Missouri[29]
Year Republican Democratic Third party(ies)
№  % №  % №  %
1888 1,724 48.54% 1,791 50.42% 37 1.04%
1892 1,684 47.48% 1,807 50.94% 56 1.58%
1896 1,953 47.89% 2,107 51.67% 18 0.44%
1900 1,899 47.70% 2,021 50.77% 61 1.53%
1904 1,836 50.50% 1,724 47.41% 76 2.09%
1908 1,741 49.52% 1,737 49.40% 38 1.08%
1912 1,214 36.53% 1,586 47.73% 523 15.74%
1916 1,782 50.68% 1,692 48.12% 42 1.19%
1920 3,310 57.46% 2,383 41.36% 68 1.18%
1924 2,948 50.37% 2,770 47.33% 135 2.31%
1928 3,259 59.83% 2,170 39.84% 18 0.33%
1932 2,223 41.75% 3,072 57.70% 29 0.54%
1936 2,812 48.15% 3,003 51.42% 25 0.43%
1940 3,171 53.59% 2,728 46.10% 18 0.30%
1944 2,707 55.61% 2,155 44.27% 6 0.12%
1948 2,264 49.01% 2,352 50.92% 3 0.06%
1952 2,850 57.95% 2,045 41.58% 23 0.47%
1956 2,623 54.46% 2,193 45.54% 0 0.00%
1960 2,642 56.44% 2,039 43.56% 0 0.00%
1964 1,660 42.75% 2,223 57.25% 0 0.00%
1968 2,111 53.55% 1,489 37.77% 342 8.68%
1972 2,499 64.04% 1,403 35.96% 0 0.00%
1976 1,582 48.32% 1,679 51.28% 13 0.40%
1980 2,042 56.50% 1,494 41.34% 78 2.16%
1984 2,068 55.97% 1,627 44.03% 0 0.00%
1988 1,493 43.52% 1,925 56.11% 13 0.38%
1992 1,039 28.99% 1,815 50.64% 730 20.37%
1996 1,081 32.63% 1,749 52.79% 483 14.58%
2000 1,899 49.95% 1,812 47.66% 91 2.39%
2004 1,899 50.83% 1,794 48.02% 43 1.15%
2008 1,782 51.56% 1,572 45.49% 102 2.95%
2012 1,730 53.64% 1,398 43.35% 97 3.01%
2016 2,458 74.13% 724 21.83% 134 4.04%
2020 2,672 78.73% 678 19.98% 44 1.30%
2024 2,679 80.38% 628 18.84% 26 0.78%

See also

References

  1. ^ a b "2020: DEC Redistricting Data (PL 94-171)". United States Census Bureau. Retrieved November 17, 2021.
  2. ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.
  3. ^ Eaton, David Wolfe (1916). How Missouri Counties, Towns and Streams Were Named. The State Historical Society of Missouri. pp. 275.
  4. ^ Gannett, Henry (1905). The Origin of Certain Place Names in the United States. Govt. Print. Off. pp. 82.
  5. ^ McMillen, Margot Ford (1994). Paris, Tightwad and Peculiar: Missouri Place Names. Columbia, Missouri: University of Missouri Press. p. 46. ISBN 0-8262-0972-6.
  6. ^ "Battle of Athens State Historical Site". Missouri Department of Natural Resources. Retrieved July 2, 2025.
  7. ^ "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Archived from the original on October 21, 2013. Retrieved November 14, 2014.
  8. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved November 14, 2014.
  9. ^ "Historical Census Browser". University of Virginia Library. Archived from the original on August 11, 2012. Retrieved November 14, 2014.
  10. ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved November 14, 2014.
  11. ^ "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 November 14, 2014.
  12. ^ a b c "2020 Decennial Census Demographic Profile (DP1)". United States Census Bureau. 2021. Retrieved December 17, 2025.
  13. ^ "2020 Decennial Census Redistricting Data (Public Law 94-171)". United States Census Bureau. 2021. Retrieved December 17, 2025.
  14. ^ "2020 Decennial Census Demographic and Housing Characteristics (DHC)". United States Census Bureau. 2023. Retrieved December 17, 2025.
  15. ^ "1980 Census of Population - General Social and Economic Characteristics - Missouri- Table 16 - Persons by Spanish Origin, Race, and Sex: 1980" (PDF). United States Census Bureau. p. 20-25.
  16. ^ "1990 Census of Population - General Population Characteristics - Missouri: Table 5 - Race and Hispanic Origin" (PDF). United States Census Bureau. p. 13-63.
  17. ^ "P004: Hispanic or Latino, and Not Hispanic or Latino by Race – 2000: DEC Summary File 1 – Clark County, Missouri". United States Census Bureau.
  18. ^ "P2: Hispanic or Latino, and Not Hispanic or Latino by Race – 2010: DEC Redistricting Data (PL 94-171) – Clark County, Missouri". United States Census Bureau.
  19. ^ "P2: Hispanic or Latino, and Not Hispanic or Latino by Race – 2020: DEC Redistricting Data (PL 94-171) – Clark County, Missouri". United States Census Bureau.
  20. ^ included in the Asian category in the 1980 Census
  21. ^ included in the Asian category in the 1990 Census
  22. ^ not an option in the 1980 Census
  23. ^ not an option in the 1990 Census
  24. ^ "U.S. Census website". United States Census Bureau. Retrieved May 14, 2011.
  25. ^ Geography Division (January 12, 2021). 2020 CENSUS - SCHOOL DISTRICT REFERENCE MAP: Clark County, MO (PDF) (Map). U.S. Census Bureau. Retrieved June 1, 2025. - Text list
  26. ^ Pierceall, Ann (May 16, 2008). "Sting of disappointment lingers over Wyaconda school district's last day". Herald-Whig. Retrieved June 1, 2025.
  27. ^ Whitfield, Jim (April 5, 2012). "A rural school district will become a part of history". KHQA. Retrieved June 1, 2025.
  28. ^ Breeding, Marshall. "Northeast Missouri Library Service". Libraries.org. Retrieved May 8, 2017.
  29. ^ Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". uselectionatlas.org. Retrieved March 24, 2018.

40°25′N 91°44′W / 40.41°N 91.74°W / 40.41; -91.74

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