Clay County, South Dakota

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Clay County, South Dakota
Map
Location in the state of South Dakota
South Dakota's location in the U.S.
Statistics
Founded	information needed
Seat	Vermillion
Area - Total - Land - Water	417 sq mi (1,080 km²) 412 sq mi (1,067 km²) 5 sq mi (13 km²), 1.22%
Population - (2000) - Density	13,537 34/sq mi (13/km²)
Website: www.claycountysd.org

Clay County is a county located in the U.S. state of South Dakota. As of 2000, the population is 13,537. Its name is in honor of Henry Clay, famous American statesman, member of the United States Senate from Kentucky and United States Secretary of State in the 19th century. Its county seat is Vermillion.^[1]

Clay County is the only county in the Vermillion Micropolitan Statistical Area.

1 Geography
2 Demographics
3 Cities and towns
4 References

[edit] Geography

According to the U.S. Census Bureau, the county has a total area of 417 square miles (1,079 km²), of which, 412 square miles (1,066 km²) of it is land and 5 square miles (13 km²) of it (1.22%) is water.

[edit] Townships

The county is divided into twelve townships: Bethel, Fairview Garfield, Glenwood, Meckling, Norway, Pleasant Valley, Prairie Center, Riverside, Spirit Mound, Star, Vermillion.

[edit] Major Highways

[edit] Adjacent Counties

Turner County, South Dakota - north
Lincoln County, South Dakota - northeast
Union County, South Dakota - east
Dixon County, Nebraska - southeast
Cedar County, Nebraska - southwest
Yankton County, South Dakota - west

[edit] National protected area

Missouri National Recreational River (part)

[edit] Demographics

Historical populations
Census	Pop.	%±
1900	9,316	—
1910	8,711	−6.5%
1920	9,654	10.8%
1930	10,088	4.5%
1940	9,592	−4.9%
1950	10,993	14.6%
1960	10,810	−1.7%
1970	12,923	19.5%
1980	13,689	5.9%
1990	13,186	−3.7%
2000	13,537	2.7%
Est. 2007	13,364	−1.3%

As of the census^[2] of 2000, there were 13,537 people, 4,878 households, and 2,721 families residing in the county. The population density was 33 people per square mile (13/km²). There were 5,438 housing units at an average density of 13 per square mile (5/km²). The racial makeup of the county was 92.78% White, 1.00% Black or African American, 2.66% Native American, 1.95% Asian, 0.01% Pacific Islander, 0.29% from other races, and 1.31% from two or more races. 0.89% of the population were Hispanic or Latino of any race. 32.0% were of German, 15.6% Norwegian, 9.9% Irish and 5.4% English ancestry.

There were 4,878 households out of which 28.00% had children under the age of 18 living with them, 45.00% were married couples living together, 8.10% had a female householder with no husband present, and 44.20% were non-families. 31.00% of all households were made up of individuals and 8.00% had someone living alone who was 65 years of age or older. The average household size was 2.32 and the average family size was 2.93.

In the county, the population was spread out with 18.80% under the age of 18, 31.50% from 18 to 24, 23.80% from 25 to 44, 15.80% from 45 to 64, and 10.10% who were 65 years of age or older. The median age was 25 years. For every 100 females there were 94.30 males. For every 100 females age 18 and over, there were 92.50 males.