Clay County, South Dakota

Encyclopedia : C : CL : CLA : Clay County, South Dakota

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 ⁶.

Contents

1 Geography

1.1 Townships
1.2 Adjacent Counties

2 Demographics
3 Cities and towns

Geography

According to the U.S. Census Bureau, the county has a total area of 1,079 km² (417 mi²). 1,066 km² (412 mi²) of it is land and 13 km² (5 mi²) of it (1.22%) is water.

Townships

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

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

Demographics

Clay County Population by year
1900 - 9,316 1910 - 8,711 1920 - 9,654 1930 - 10,088 1940 - 9,592 1950 - 10,993 1960 - 10,810 1970 - 12,923 1980 - 13,689 1990 - 13,186 2000 - 13,537

As of the census² of 2000, there were 13,537 people, 4,878 households, and 2,721 families residing in the county. The population density was 13/km² (33/mi²). There were 5,438 housing units at an average density of 5/km² (13/mi²). 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.

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.

Cities and towns

Largest cities
Regions of South Dakota
Black Hills - Coteau des Prairies
Aberdeen \| Belle Fourche \| Brandon \| Brookings \| Canton \| Ellsworth \| Hot Springs \| Huron \| Madison \| Mitchell \| Mobridge \| Pierre \| Rapid City \| Rapid Valley \| Sioux Falls \| Spearfish \| Sturgis \| Vermillion \| Watertown \| Winner \| Yankton
Counties
Aurora - Beadle - Bennet - Bon Homme - Brookings - Brown - Brule - Buffalo - Butte - Campbell - Charles Mix - Clark - Clay - Codington - Corson - Custer - Davison - Day - Deuel - Dewey - Douglas - Edmunds - Fall River - Faulk - Grant - Gregory - Haakon - Hamlin - Hand - Hanson - Harding - Hughes - Hutchinson - Hyde - Jackson - Jerauld - Jones - Kingsbury - Lake - Lawrence - Lincoln - Lyman - Marshall - McCook - McPherson - Meade - Mellette - Miner - Minnehaha - Moody - Pennington - Perkins - Potter - Roberts - Sanborn - Shannon - Spink - Stanley - Sully - Todd - Tripp - Turner - Union - Walworth - Yankton - Ziebach

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