Clarke County, Iowa

Clarke County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 9,286.[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]

Clarke County
U.S. county
Location within the U.S. state of Iowa
Iowa's location within the U.S.
Coordinates: 41°01′22″N 93°47′11″W
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
 (2010)
 • Total9,286
 • Estimate 
(2018)
9,423
 • Density21/sq mi (8.3/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district2nd

History

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

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

Highways
  • Interstate 35 - runs north–south through central Clarke County, passing Osceola
  • U.S. Route 34 - runs east–west through central Clarke County, passing Osceola
  • U.S. Route 69 - enters northeastern Clarke County, runs southwest to Osceola, then south to south line of county
  • Iowa Highway 152 - a short route north of Osceola, runs southeast–northwest to connect I-35 and US-34[8]

Communities

Cities

Unincorporated communities

Townships

Demographics
Historical population
CensusPop.%±
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%
2018 (est.)9,423[10]1.5%
U.S. Decennial Census[11]
1790-1960[12] 1900-1990[13]
1990-2000[14] 2010-2018[1]

2010 census

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.[15]

2000 census
2000 Census Age Pyramid for Clarke County

As of the census[16] 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

The population ranking of the following table is based on the 2010 census of Clarke County.[17]

† county seat

Rank City/Town/etc. Municipal type Population (2010 Census)
1 † Osceola City 4,929
2 Murray City 756
3 Woodburn City 202
4 Weldon (mostly in Decatur County) City 125

Politics

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.[18]

Presidential election results
Presidential election results[19]
Year Republican Democratic Third Parties
2016 60.9% 2,713 32.9% 1,465 6.2% 276
2012 48.0% 2,124 49.4% 2,189 2.6% 117
2008 47.7% 2,118 49.9% 2,218 2.5% 109
2004 48.2% 2,200 50.9% 2,323 0.9% 43
2000 47.5% 1,984 49.8% 2,081 2.7% 111
1996 35.7% 1,401 52.3% 2,053 12.0% 469
1992 33.3% 1,417 45.1% 1,921 21.6% 922
1988 41.5% 1,631 57.5% 2,262 1.0% 41
1984 52.4% 2,262 47.0% 2,030 0.7% 29
1980 54.9% 2,417 36.7% 1,614 8.5% 373
1976 41.9% 1,737 56.2% 2,333 1.9% 79
1972 56.8% 2,214 40.8% 1,590 2.5% 97
1968 51.5% 2,059 41.4% 1,655 7.2% 286
1964 36.7% 1,546 63.1% 2,659 0.2% 7
1960 57.8% 2,631 41.9% 1,906 0.3% 13
1956 56.0% 2,462 43.9% 1,929 0.1% 6
1952 65.7% 3,215 33.8% 1,653 0.5% 26
1948 50.1% 2,195 48.0% 2,101 1.9% 83
1944 56.8% 2,603 42.5% 1,946 0.8% 35
1940 53.8% 2,962 45.6% 2,513 0.6% 35
1936 48.9% 2,571 49.7% 2,613 1.5% 79
1932 39.9% 1,608 58.1% 2,342 2.0% 80
1928 61.9% 2,780 36.6% 1,642 1.5% 68
1924 52.5% 2,554 15.3% 743 32.3% 1,570
1920 70.8% 3,150 28.3% 1,257 1.0% 43
1916 55.1% 1,507 43.0% 1,175 1.9% 53
1912 35.4% 882 36.6% 910 28.0% 697
1908 58.0% 1,624 40.5% 1,134 1.5% 42
1904 64.6% 1,799 32.2% 896 3.3% 91
1900 56.7% 1,800 41.6% 1,322 1.7% 53
1896 51.5% 1,646 47.5% 1,517 1.0% 31

See also

References
  1. "State & County QuickFacts". United States Census Bureau. Archived from the original on July 8, 2011. Retrieved July 14, 2014.
  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. IA-34 Google Maps (accessed August 18, 2018)
  9. Clarke County IA Google Maps (accessed August 15, 2018)
  10. "Population and Housing Unit Estimates". Retrieved June 24, 2019.
  11. "U.S. Decennial Census". United States Census Bureau. Retrieved August 1, 2013.
  12. "Historical Census Browser". University of Virginia Library. Retrieved July 20, 2014.
  13. "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 20, 2014.
  14. "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved July 20, 2014.
  15. "Population and Housing Occupancy Status: 2010 - State -- County". US Census Bureau – American FactFinder. Retrieved March 9, 2011.
  16. "U.S. Census website". US Census Bureau. Retrieved January 31, 2008.
  17. "Archived copy". Retrieved February 10, 2013.
  18. "Here's a map of the US counties that flipped to Trump from Democrats". www.cnbc.com. Retrieved September 7, 2019.
  19. Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". uselectionatlas.org. Retrieved April 25, 2018.

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