Clay County, South Dakota

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

The county seat is Vermillion, which is also home to the University of South Dakota.[2] Clay County is the only county in the Vermillion Micropolitan Statistical Area.

Contents

History

Clay County began forming in 1859 when the land was opened for legal occupation. In 1862 the county was formally organized. The Clay County Courthouse was built in 1912.

Clay County is the name of 17 other counties in the United States; most of them named in honor of Henry Clay.

Geography

According to the U.S. Census Bureau, the county has a total area of 417 square miles (1,080.0 km2), of which 412 square miles (1,067.1 km2) is land and 5 square miles (12.9 km2) (1.22%) is water. In area it is the smallest county in South Dakota.

National protected area

Adjacent counties

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