Brown County, South Dakota
Brown County | |
|---|---|
Brown County Courthouse in fall | |
Location within the U.S. state of South Dakota | |
South Dakota's location within the U.S. | |
| Coordinates: 45°35′21.314″N 98°21′7.83″W / 45.58925389°N 98.3521750°W | |
| Country | United States |
| State | South Dakota |
| Founded | July 6, 1881 |
| Named after | Alfred Brown |
| Seat | Aberdeen |
| Largest city | Aberdeen |
| Area | |
• Total | 1,730.951 sq mi (4,483.14 km2) |
| • Land | 1,713.030 sq mi (4,436.73 km2) |
| • Water | 17.921 sq mi (46.42 km2) 1.0% |
| Population (2020) | |
• Total | 38,301 |
• Estimate (2024) | 37,495 |
| • Density | 22.027/sq mi (8.505/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Congressional district | At-large |
| Website | brown.sd.us |
Brown County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 38,301, making it the fourth most populous county in South Dakota, and was estimated to be 37,495 in 2024. Its county seat is Aberdeen. The county is named for Alfred Brown, of Hutchinson County, South Dakota, a Dakota Territory legislator in 1879.
Brown County is part of the Aberdeen, SD Micropolitan Statistical Area.