Aurora County | |
|---|---|
 Aurora County courthouse in Plankinton | |
 Location within the U.S. state of South Dakota | |
 South Dakota's location within the U.S. | |
| Coordinates: 43°43′N 98°34′W / 43.72°N 98.57°W | |
| Country |  United States |
| State |  South Dakota |
| Founded | 1879 (created) 1881 (organized) |
| Named for | Aurora, a Roman goddess |
| Seat | Plankinton |
| Largest city | Plankinton |
| Area | |
| • Total | 713 sq mi (1,850 km2) |
| • Land | 708 sq mi (1,830 km2) |
| • Water | 4.3 sq mi (11 km2) 0.6% |
| Population (2020) | |
| • Total | 2,747 |
| • Estimate (2023) | 2,782  |
| • Density | 3.9/sq mi (1.5/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Congressional district | At-large |
Aurora County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 2,747.[1] The county was created in 1879, and was organized in 1881.[2]
- ^ "State & County QuickFacts". United States Census Bureau. Retrieved March 22, 2024.
- ^ "Dakota Territory, South Dakota, and North Dakota: Individual County Chronologies". Dakota Territory Atlas of Historical County Boundaries. The Newberry Library. 2006. Archived from the original on April 2, 2018. Retrieved March 28, 2015.