Clarke County, Iowa

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Clarke County
Clarke County Courthouse in Osceola
Map of Iowa highlighting Clarke County
Location within the U.S. state of Iowa
Map of the United States highlighting Iowa
Iowa's location within the U.S.
Coordinates: 41°01′22″N 93°47′11″W / 41.022777777778°N 93.786388888889°W / 41.022777777778; -93.786388888889
Country United States
State Iowa
FoundedJanuary 13, 1846
Named forJames Clarke
SeatOsceola
Largest cityOsceola
Area
 • Total432 sq mi (1,120 km2)
 • Land431 sq mi (1,120 km2)
 • Water0.6 sq mi (2 km2)  0.1%
Population
 (2020)
 • Total9,748
 • Density23/sq mi (8.7/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district2nd
Websiteclarkecounty.iowa.gov

Clarke County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 9,748.[1] The county seat is Osceola.[2] The county was formed in January 1846, one of twelve counties established by legislative action in a comprehensive act.[3][4] It was named for James Clarke, a Governor of the Iowa Territory.[5]

History[edit]

The first courthouse for Clarke County was a wood frame two–story structure in Osceola. In 1883 it was replaced with a brick structure on former park area in the town square. By the 1950s this building was insufficient, and the present modern structure was completed in 1956. It was added to the National Register of Historic Places in 2018.[6]

Geography[edit]

According to the US Census Bureau, the county has a total area of 432 square miles (1,120 km2), of which 431 square miles (1,120 km2) is land and 0.6 square miles (1.6 km2) (0.1%) is water.[7]

Adjacent counties[edit]

Highways[edit]

  • I-35.svg Interstate 35 - runs north–south through central Clarke County, passing Osceola
  • US 34.svg U.S. Highway 34 - runs east–west through central Clarke County, passing Osceola
  • US 69.svg U.S. Highway 69 - enters northeastern Clarke County, runs southwest to Osceola, then south to south line of county

Communities[edit]

Cities[edit]

Unincorporated communities[edit]

Townships[edit]

Demographics[edit]

Historical population
Census Pop.
185079
18605,4276,769.6%
18708,73561.0%
188011,51331.8%
189011,332−1.6%
190012,4409.8%
191010,736−13.7%
192010,506−2.1%
193010,384−1.2%
194010,233−1.5%
19509,369−8.4%
19608,222−12.2%
19707,581−7.8%
19808,61213.6%
19908,287−3.8%
20009,13310.2%
20109,2861.7%
20209,7485.0%
U.S. Decennial Census[9]
1790-1960[10] 1900-1990[11]
1990-2000[12] 2010-2018[13]
Population of Clarke County from US census data

2020 census[edit]

The 2020 census recorded a population of 9,748 in the county, with a population density of 22.5422/sq mi (8.7036/km2). 93.18% of the population reported being of one race. 68.70% were non-Hispanic White, 0.45% were Black, 15.74% were Hispanic, 0.56% were Native American, 0.83% were Asian, 0.41% were Native Hawaiian or Pacific Islander and 13.31% were some other race or more than one race. There were 4,268 housing units of which 3,871 were occupied.[1]

2010 census[edit]

The 2010 census recorded a population of 9,286 in the county, with a population density of 21.545/sq mi (8.319/km2). There were 4,086 housing units, of which 3,701 were occupied.[14]

2000 census[edit]

2000 Census Age Pyramid for Clarke County

As of the census[15] of 2000, there were 9,133 people, 3,584 households, and 2,498 families residing in the county. The population density was 21 people per square mile (8/km2). There were 3,934 housing units at an average density of 9 per square mile (4/km2). The racial makeup of the county was 96.64% White, 0.11% Black or African American, 0.33% Native American, 0.35% Asian, 0.03% Pacific Islander, 1.96% from other races, and 0.58% from two or more races. 4.04% of the population were Hispanic or Latino of any race.

There were 3,584 households, out of which 32.10% had children under the age of 18 living with them, 57.80% were married couples living together, 8.30% had a female householder with no husband present, and 30.30% were non-families. 25.90% of all households were made up of individuals, and 13.30% had someone living alone who was 65 years of age or older. The average household size was 2.50 and the average family size was 3.01.

In the county, the population was spread out, with 26.30% under the age of 18, 7.60% from 18 to 24, 26.50% from 25 to 44, 22.50% from 45 to 64, and 17.10% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 97.00 males. For every 100 females age 18 and over, there were 94.00 males.

The median income for a household in the county was $34,474, and the median income for a family was $42,171. Males had a median income of $29,648 versus $20,522 for females. The per capita income for the county was $16,409. About 6.20% of families and 8.50% of the population were below the poverty line, including 12.10% of those under age 18 and 7.70% of those age 65 or over.

Population ranking[edit]

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

county seat

Rank City/Town/etc. Municipal type Population (2020 Census)
1 Osceola City 5,415
2 Murray City 684
3 Woodburn City 146
4 Weldon (mostly in Decatur County) City 136

Politics[edit]

Prior to 1988, Clarke County was a Republican-leaning swing county, only failing to back the national winner four times between 1896 & 1984. The county was reliably Democratic from 1988 to 2012, but made a 29.5 point swing to back Donald Trump in 2016.[16]

United States presidential election results for Clarke County, Iowa[17]
Year Republican Democratic Third party
No.  % No.  % No.  %
2020 3,144 67.32% 1,466 31.39% 60 1.28%
2016 2,713 60.91% 1,465 32.89% 276 6.20%
2012 2,124 47.95% 2,189 49.41% 117 2.64%
2008 2,118 47.65% 2,218 49.90% 109 2.45%
2004 2,200 48.18% 2,323 50.88% 43 0.94%
2000 1,984 47.51% 2,081 49.83% 111 2.66%
1996 1,401 35.71% 2,053 52.33% 469 11.96%
1992 1,417 33.26% 1,921 45.09% 922 21.64%
1988 1,631 41.46% 2,262 57.50% 41 1.04%
1984 2,262 52.35% 2,030 46.98% 29 0.67%
1980 2,417 54.88% 1,614 36.65% 373 8.47%
1976 1,737 41.87% 2,333 56.23% 79 1.90%
1972 2,214 56.75% 1,590 40.76% 97 2.49%
1968 2,059 51.48% 1,655 41.38% 286 7.15%
1964 1,546 36.70% 2,659 63.13% 7 0.17%
1960 2,631 57.82% 1,906 41.89% 13 0.29%
1956 2,462 55.99% 1,929 43.87% 6 0.14%
1952 3,215 65.69% 1,653 33.78% 26 0.53%
1948 2,195 50.13% 2,101 47.98% 83 1.90%
1944 2,603 56.78% 1,946 42.45% 35 0.76%
1940 2,962 53.76% 2,513 45.61% 35 0.64%
1936 2,571 48.85% 2,613 49.65% 79 1.50%
1932 1,608 39.90% 2,342 58.11% 80 1.99%
1928 2,780 61.92% 1,642 36.57% 68 1.51%
1924 2,554 52.48% 743 15.27% 1,570 32.26%
1920 3,150 70.79% 1,257 28.25% 43 0.97%
1916 1,507 55.10% 1,175 42.96% 53 1.94%
1912 882 35.44% 910 36.56% 697 28.00%
1908 1,624 58.00% 1,134 40.50% 42 1.50%
1904 1,799 64.57% 896 32.16% 91 3.27%
1900 1,800 56.69% 1,322 41.64% 53 1.67%
1896 1,646 51.53% 1,517 47.50% 31 0.97%


See also[edit]

References[edit]

  1. ^ a b c "2020 Census State Redistricting Data". census.gov. United states Census Bureau. Retrieved August 12, 2021.
  2. ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.
  3. ^ Pratt, LeRoy G. (1977). The Counties and Courthouses of Iowa. Mason City, Iowa: Klipto Printing and Office Supply Co.
  4. ^ The other Iowa counties established on January 13, 1843 are Boone, Dallas, Decatur, Jasper, Lucas, Madison, Marshall, Polk, Story, Warren, and Wayne.
  5. ^ Clarke County Archived July 3, 2007, at archive.today
  6. ^ "Downtown Osceola added to National Register of Historic Places". Osceola Sentinel-Tribune. Osceola. February 15, 2018. Retrieved August 15, 2018.
  7. ^ "US Gazetteer files: 2010, 2000, and 1990". US Census Bureau. February 12, 2011. Retrieved April 23, 2011.
  8. ^ Clarke County IA Google Maps (accessed August 15, 2018)
  9. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved August 1, 2013.
  10. ^ "Historical Census Browser". University of Virginia Library. Retrieved July 20, 2014.
  11. ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 20, 2014.
  12. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved July 20, 2014.
  13. ^ "State & County QuickFacts". United States Census Bureau. Archived from the original on June 7, 2011. Retrieved July 14, 2014.
  14. ^ "Population and Housing Occupancy Status: 2010 - State -- County". US Census Bureau – American FactFinder. Retrieved March 9, 2011.[dead link]
  15. ^ "U.S. Census website". US Census Bureau. Retrieved January 31, 2008.
  16. ^ "Here's a map of the US counties that flipped to Trump from Democrats". www.cnbc.com. Retrieved September 7, 2019.
  17. ^ Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". uselectionatlas.org. Retrieved April 25, 2018.

Coordinates: 41°01′22″N 93°47′11″W / 41.02278°N 93.78639°W / 41.02278; -93.78639