Minnehaha County, South Dakota
Minnehaha County | |
|---|---|
Minnehaha County Courthouse in Sioux Falls | |
Location within the U.S. state of South Dakota | |
South Dakota's location within the U.S. | |
| Coordinates: 43°40′2.899″N 96°47′44.613″W / 43.66747194°N 96.79572583°W | |
| Country | United States |
| State | South Dakota |
| Founded | April 5, 1862 (created) 1868 (organized) |
| Named after | "rapid water" |
| Seat | Sioux Falls |
| Largest city | Sioux Falls |
| Area | |
• Total | 813.861 sq mi (2,107.89 km2) |
| • Land | 806.847 sq mi (2,089.72 km2) |
| • Water | 7.014 sq mi (18.17 km2) 0.9% |
| Population (2020) | |
• Total | 197,214 |
• Estimate (2024) | 208,639 |
| • Density | 258.586/sq mi (99.841/km2) |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Congressional district | At-large |
| Website | minnehahacounty.gov |
Minnehaha County is a county on the eastern border of the state of South Dakota. As of the 2020 census, the population was 197,214, making it the state's most populous county, and was estimated to be 208,639 in 2024. It contains over 22.56% of the state's population. Its county seat is Sioux Falls, South Dakota's most populous city. The county was created on April 5, 1862 and organized in 1868. Its name was derived from the Sioux word Mnihaha, meaning "rapid water," or "waterfall" (often incorrectly translated as "laughing water").
Minnehaha County is part of the Sioux Falls Metropolitan Statistical Area, the state's largest.