Minnehaha County | |
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![]() 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°41′N 96°47′W / 43.68°N 96.79°W | |
Country | ![]() |
State | ![]() |
Founded | 1862 (created) 1868 (organized) |
Named for | "rapid water" |
Seat | Sioux Falls |
Largest city | Sioux Falls |
Area | |
• Total | 814 sq mi (2,110 km2) |
• Land | 807 sq mi (2,090 km2) |
• Water | 6.7 sq mi (17 km2) 0.8% |
Population (2020) | |
• Total | 197,214 |
• Density | 239/sq mi (92/km2) |
Time zone | UTC−6 (Central) |
• Summer (DST) | UTC−5 (CDT) |
Congressional district | At-large |
Website | www |
Minnehaha County is a county in South Dakota in the United States. As of the 2020 census, 197,214 people lived there.[1] It is the most populous county in South Dakota. The county seat of Minnehaha County is Sioux Falls.[2] The county took its name from the Sioux Indian word "Mnihaha" which means "rapid water" or "waterfall." The word is often incorrectly translated as "laughing water." The word was changed to its current spelling to make it easier to pronounce. Minnehaha County is part of the Sioux Falls, SD, Metropolitan Statistical Area.