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Clarke County, Iowa
Clarke County, Iowa Courthouse
Clarke County Courthouse in Osceola
Map of Iowa highlighting Clarke County
Location in the state of Iowa
Map of USA IA
Iowa's location in the U.S.
Founded 1846
Named for James Clarke
Seat Osceola
Largest city Osceola
 - Total
 - Land
 - Water

432 sq mi (1,119 km²)
431 sq mi (1,116 km²)
0.6 sq mi (2 km²), 0.1%
 - (2010)
 - Density

22/sq mi (8/km²)
Congressional district 2nd
Time zone Central: UTC-6/-5

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 on January 13, 1846. It was named for James Clarke, a Governor of the Iowa Territory.[3]

Geography Edit

According to the U.S. 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.[4]

Major highways Edit

Adjacent counties Edit

Demographics Edit

Historical populations
Census Pop.
1850 79
1860 5,427 6,769.6%
1870 8,735 61.0%
1880 11,513 31.8%
1890 11,332 −1.6%
1900 12,440 9.8%
1910 10,736 −13.7%
1920 10,506 −2.1%
1930 10,384 −1.2%
1940 10,233 −1.5%
1950 9,369 −8.4%
1960 8,222 −12.2%
1970 7,581 −7.8%
1980 8,612 13.6%
1990 8,287 −3.8%
2000 9,133 10.2%
2010 9,286 1.7%
Est. 2015 9,259 [5] 1.4%
U.S. Decennial Census[6]
2012 Estimate[7]

2010 censusEdit

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.[8]

2000 censusEdit

USA Clarke County, Iowa age pyramid

2000 Census Age Pyramid for Clarke County

As of the census[9] 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.


Cities Edit

Townships Edit

Population rankingEdit

The population ranking of the following table is based on the 2010 census of Clarke County.[10]

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

See alsoEdit


Wikimedia Commons has media related to:

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

This page uses content from the English language Wikipedia. The original content was at Clarke County, Iowa. The list of authors can be seen in the page history. As with this Familypedia wiki, the content of Wikipedia is available under the Creative Commons License.

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