Stanley County, South Dakota
Stanley County | |
|---|---|
Watercolor drawing of Fort Pierre Chouteau. Dated 1854. | |
Location within the U.S. state of South Dakota | |
South Dakota's location within the U.S. | |
| Coordinates: 44°24′N 100°45′W / 44.4°N 100.75°W | |
| Country | United States |
| State | South Dakota |
| Founded | 1873 (created) 1890 (organized) |
| Named after | David S. Stanley |
| Seat | Fort Pierre |
| Largest city | Fort Pierre |
| Area | |
• Total | 1,517 sq mi (3,930 km2) |
| • Land | 1,444 sq mi (3,740 km2) |
| • Water | 73 sq mi (190 km2) 4.8% |
| Population (2020) | |
• Total | 2,980 |
• Estimate (2024) | 3,015 |
| • Density | 2.0/sq mi (0.76/km2) |
| Time zones | |
| western portion | UTC−7 (Mountain) |
| • Summer (DST) | UTC−6 (MDT) |
| eastern portion | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Congressional district | At-large |
| Website | www |
Stanley County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 2,980. Its county seat is Fort Pierre. The county was created in 1873, and was organized in 1890. It is named for David S. Stanley, a commander at Fort Sully from 1866 to 1874, which was located nearby.
Stanley County is included in the Pierre, SD Micropolitan Statistical Area.