Marshall County, South Dakota
Marshall County | |
|---|---|
Marshall County Courthouse in Britton | |
Location within the U.S. state of South Dakota | |
South Dakota's location within the U.S. | |
| Coordinates: 45°46′N 97°36′W / 45.76°N 97.6°W | |
| Country | United States |
| State | South Dakota |
| Founded | 1885 |
| Named after | Marshall Vincent |
| Seat | Britton |
| Largest city | Britton |
| Area | |
• Total | 886 sq mi (2,290 km2) |
| • Land | 838 sq mi (2,170 km2) |
| • Water | 48 sq mi (120 km2) 5.4% |
| Population (2020) | |
• Total | 4,306 |
• Estimate (2024) | 4,395 |
| • Density | 4.9/sq mi (1.9/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Congressional district | At-large |
| Website | marshall |
Marshall County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 4,306. Its county seat is Britton. The county was created on May 2, 1885, and was named for Marshall Vincent, who homesteaded near Andover, South Dakota.