Campbell County is a county located in the state of South Dakota. Based on the 2010 census, the population was 1,466, making it the fifth-least populous county in South Dakota. Its county seat is Mound City. The county was created in 1873 and organized in 1884. It is named after Norman B. Campbell, a Dakota Territory legislator in 1873 and son of General Charles T. Campbell.
Campbell is named for Newton B. Campbell of Scotland, son of the famous Gen. Charles T. Campbell, "the man whom Lincoln made a brigadier general upon condition that he should die immediately."
County QuickFacts: CensusBureau Quick Facts
Campbell County was surveyed in 1883-84 and organized on petition to Governor Ordway in the spring of 1884. The first session of the board of county Commissioners was held at Le Grace in April 1884. All parts of the county were rapidly settled after the establishment of the new town of Mound City in 1884. Mound City, who derived its name from near-by Indian mounds, became the county seat in 1888.
As reported by the Census Bureau, the county has a total area of 771 square miles (1,998 km2), of which, 736
square miles (1,906 km2) of it is land and 36 square miles (92 km2) of it (4.61%) is water.
Bordering counties are as follows: