Clay County, Iowa


Clay County, Iowa
Clay County, Iowa
Map of Iowa highlighting Clay County
Location in the state of Iowa
Map of the U.S. highlighting Iowa
Iowa's location in the U.S.
Founded 1851
Seat Spencer
Area
 - Total
 - Land
 - Water

572.51 sq mi (1,483 km²)
568.89 sq mi (1,473 km²)
3.63 sq mi (9 km²), 0.63%
Population
 - (2010)
 - Density

16,667
29.3/sq mi (11.3/km²)
Time zone Central: UTC-6/-5
Website www.co.clay.ia.us
Footnotes: Population [1]

Clay County is a county located in the U.S. state of Iowa. The population was 16,667 in the 2010 census, a decline from 17,372 in 2000.[1][2] Its name is in honor of Henry Clay, Jr. a colonel who died in action in the Mexican-American War, and son of Henry Clay, famous American statesman. Its county seat is Spencer.[3] It also holds the annual Clay County Fair. The very first newspaper in Clay County was the Peterson Patriot which started circulation in 1880.

Contents

Geography

According to the 2000 census, the county has a total area of 572.51 square miles (1,482.8 km2), of which 568.89 square miles (1,473.4 km2) (or 99.37%) is land and 3.63 square miles (9.4 km2) (or 0.63%) is water.[4] Clay County is home to the large Barringer Slough wetland.

Major highways

Adjacent counties

Demographics

Historical populations
Census Pop.
1860 52
1870 1,523 2,828.8%
1880 4,248 178.9%
1890 9,309 119.1%
1900 13,401 44.0%
1910 12,766 −4.7%
1920 15,660 22.7%
1930 16,107 2.9%
1940 17,762 10.3%
1950 18,103 1.9%
1960 18,504 2.2%
1970 18,464 −0.2%
1980 19,576 6.0%
1990 17,585 −10.2%
2000 17,372 −1.2%
2010 16,667 −4.1%
Iowa Data Center [2]

2010 census

The 2010 census recorded a population of 16,667 in the county, with a population density of 29.292/sq mi (11.310/km2). There were 8,062 housing units, of which 7,282 were occupied.[1]

2000 census

2000 Census Age Pyramid for Clay County.

As of the census[5] of 2000, there were 17,372 people, 7,259 households, and 4,776 families residing in the county. The population density was 30 people per square mile (12/km²). There were 7,828 housing units at an average density of 14 per square mile (5/km²). The racial makeup of the county was 98.08% White, 0.17% Black or African American, 0.10% Native American, 0.82% Asian, 0.03% Pacific Islander, 0.25% from other races, and 0.55% from two or more races. 1.13% of the population were Hispanic or Latino of any race.

There were 7,259 households out of which 30.70% had children under the age of 18 living with them, 55.60% were married couples living together, 6.80% had a female householder with no husband present, and 34.20% were non-families. 29.80% of all households were made up of individuals and 13.70% had someone living alone who was 65 years of age or older. The average household size was 2.35 and the average family size was 2.92.

In the county the population was spread out with 24.70% under the age of 18, 8.00% from 18 to 24, 26.90% from 25 to 44, 22.50% from 45 to 64, and 18.00% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 93.30 males. For every 100 females age 18 and over, there were 90.90 males.

The median income for a household in the county was $35,799, and the median income for a family was $42,769. Males had a median income of $30,163 versus $21,068 for females. The per capita income for the county was $19,451. About 6.30% of families and 8.20% of the population were below the poverty line, including 11.10% of those under age 18 and 8.10% of those age 65 or over.

Localities

Cities

Townships

Clay County is divided into these townships:

Economy

At one point Great Lakes Airlines was headquartered in Summit Township, Clay County.[6][7]

See also

References

  1. ^ a b c "Population and Housing Occupancy Status: 2010 - State -- County". United States Census Bureau American FactFinder. http://factfinder2.census.gov/faces/tableservices/jsf/pages/productview.xhtml?pid=DEC_10_PL_GCTPL2.ST05&prodType=table. Retrieved March 12, 2011. 
  2. ^ a b "Data from the 2010 Census". State Data Center of Iowa. http://www.iowadatacenter.org/archive/2011/02/feb10. Retrieved March 12, 2011. 
  3. ^ "Find a County". National Association of Counties. http://www.naco.org/Counties/Pages/FindACounty.aspx. Retrieved 2011-06-07. 
  4. ^ "Census 2000 U.S. Gazetteer Files: Counties". United States Census. http://www.census.gov/tiger/tms/gazetteer/county2k.txt. Retrieved 2011-02-13. 
  5. ^ "American FactFinder". United States Census Bureau. http://factfinder.census.gov. Retrieved 2008-01-31. 
  6. ^ "Welcome to Great Lakes Aviation, Ltd." Great Lakes Airlines. December 5, 1998. Retrieved on May 25, 2009.
  7. ^ "Spencer city, Iowa." U.S. Census Bureau. Retrieved on May 25, 2009.

External links

Coordinates: 43°04′51″N 95°08′58″W / 43.08083°N 95.14944°W / 43.08083; -95.14944


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