'Clark County, SD' definitions:

Clark -- U.S. County in South Dakota

From: Gazetteer 2000
Name :
Clark -- U.S. County in South Dakota
Population (2000) :
4143
Housing Units (2000) :
1880
Land area (2000) :
957.923996 sq. miles (2481.011655 sq. km)
Water area (2000) :
9.865736 sq. miles (25.552139 sq. km)
Total area (2000) :
967.789732 sq. miles (2506.563794 sq. km)
Located within :
South Dakota (SD), FIPS 46
Location :
44.853152 N, 97.725341 W