Decatur County, Iowa

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Decatur County, Iowa
Map of Iowa highlighting Decatur County
Location in the state of Iowa
Map of the United States highlighting Iowa
Iowa's location in the U.S.
Founded 1846
Named for Stephen Decatur, Jr.
Seat Leon
Largest city Lamoni
Area
 • Total 533 sq mi (1,380 km2)
 • Land 532 sq mi (1,378 km2)
 • Water 1.6 sq mi (4 km2), 0.3%
Population
 • (2010) 8,457
 • Density 16/sq mi (6/km²)
Congressional district 2nd
Time zone Central: UTC-6/-5

Decatur County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 8,457.[1] The county seat is Leon.[2] This county is named for Stephen Decatur, Jr., a hero in the War of 1812.[3]

Geography[edit]

According to the U.S. Census Bureau, the county has a total area of 533 square miles (1,380 km2), of which 532 square miles (1,380 km2) is land and 1.6 square miles (4.1 km2) (0.3%) is water.[4]

Native vegetation based on NRCS soils information shows:Decatur County IA Pie Chart New Wiki Version.pdf[5]

Major highways[edit]

Adjacent counties[edit]

Demographics[edit]

Historical population
Census Pop.
1850 965
1860 8,677 799.2%
1870 12,018 38.5%
1880 15,336 27.6%
1890 15,643 2.0%
1900 18,115 15.8%
1910 16,347 −9.8%
1920 16,566 1.3%
1930 14,903 −10.0%
1940 14,012 −6.0%
1950 12,601 −10.1%
1960 10,539 −16.4%
1970 9,737 −7.6%
1980 9,794 0.6%
1990 8,338 −14.9%
2000 8,689 4.2%
2010 8,457 −2.7%
Est. 2013 8,136 −3.8%
U.S. Decennial Census[6]
1790-1960[7] 1900-1990[8]
1990-2000[9] 2010-2013[1]

2010 census[edit]

The 2010 census recorded a population of 8,457 in the county, with a population density of 15.897/sq mi (6.138/km2). There were 3,834 housing units, of which 3,223 were occupied.[10]

2000 census[edit]

2000 Census Age Pyramid for Decatur County

At the 2000 census,[11] there were 8,689 people, 3,337 households and 2,149 families residing in the county. The population density was 16 per square mile (6/km²). There were 3,833 housing units at an average density of 7 per square mile (3/km²). The racial makeup of the county was 96.46% White, 0.98% Black or African American, 0.24% Native American, 0.63% Asian, 0.12% Pacific Islander, 0.46% from other races, and 1.12% from two or more races. 1.70% of the population were Hispanic or Latino of any race.

There were 3,337 households of which 28.00% had children under the age of 18 living with them, 54.30% were married couples living together, 7.20% had a female householder with no husband present, and 35.60% were non-families. 30.30% of all households were made up of individuals and 15.50% had someone living alone who was 65 years of age or older. The average household size was 2.37 and the average family size was 2.96.

23.00% of the population were under the age of 18, 16.30% from 18 to 24, 21.60% from 25 to 44, 21.50% from 45 to 64, and 17.70% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 95.70 males. For every 100 females age 18 and over, there were 91.90 males.

The median household income was $27,343 and the median family income was $34,831. Males had a median income of $25,569 compared with $19,309 for females. The per capita income for the county was $14,209. About 10.90% of families and 15.50% of the population were below the poverty line, including 15.60% of those under age 18 and 13.70% of those age 65 or over.

Decatur County is considered to be the poorest in Iowa, reporting that almost 20% of its residents live in poverty.[12]

Communities[edit]

Ancient Map of Decatur County, Iowa (1894)

Cities[edit]

Townships[edit]

Decatur County is divided into these townships:

See also[edit]

References[edit]

  1. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved July 16, 2014. 
  2. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  3. ^ Gannett, Henry (1905). The Origin of Certain Place Names in the United States. Govt. Print. Off. p. 102. 
  4. ^ "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23. 
  5. ^ Nelson, Steven (2011). Savanna Soils of Minnesota. Minnesota: Self. ISBN 978-0-615-50320-2.
  6. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved July 16, 2014. 
  7. ^ "Historical Census Browser". University of Virginia Library. Retrieved July 16, 2014. 
  8. ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 16, 2014. 
  9. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000". United States Census Bureau. Retrieved July 16, 2014. 
  10. ^ "Population & Housing Occupancy Status 2010". United States Census Bureau American FactFinder. Retrieved May 8, 2011. 
  11. ^ "American FactFinder". United States Census Bureau. Retrieved 2008-01-31. 
  12. ^ Mike Kilen, "Headline: Who will win in Iowa's poorest county?", Des Moines Register, 6 June 2004 (subscription required)

External links[edit]

Coordinates: 40°44′29″N 93°46′51″W / 40.74139°N 93.78083°W / 40.74139; -93.78083