Campbell County

Also known as Campbell County, South Dakota, Campbell County, SD

county in South Dakota, United States

Key facts

Country: United States
State: South Dakota
Founded: 1873 (created), 1884 (organized)
Seat: Mound City
Largest city: Herreid
Total: 771 sq mi (2,000 km )
Land: 734 sq mi (1,900 km )
Water: 37 sq mi (96 km ) 4.8%
Estimate 2025: 1,377
Density: 1.88/sq mi (0.724/km )
Time zone: UTC−6 ( Central )
Summer dst: UTC−5 ( CDT )
Congressional district

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Article

Campbell County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 1,377, making it the fourth-least populous county in South Dakota. Its county seat is Mound City. The county was created in 1873 and organized in 1884. It was named for Norman B. Campbell, a Dakota Territory legislator in 1873 and son of General Charles T. Campbell.

History