South Dakota·SD·FIPS 46099

Minnehaha County

Voted Republican in 2024 · 93,986 votes cast

About Minnehaha County

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 212,691 in 2025. 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".

2024 Presidential Results

All candidates · Minnehaha County, South Dakota

Donald J Trump(Republican)

55.2%51,842

Won by 11,919 votes

Kamala D Harris(Democrat)

42.5%39,923

Other(Other)

1.6%1,548

Chase Oliver(Libertarian)

0.7%673

Margin History

Red = Republican, Blue = Democratic

2024R+12.7

2020R+9.5

2016R+14.6

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Swung Right in 2024

Minnehaha County shifted 3.2 points toward Republicans compared to 2020. Voter turnout increased by 1.8%.

Minnehaha County — Local Discussion

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What does Minnehaha County really think?

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Election data: MIT Election Data Science Lab, Harvard Dataverse (CC BY 4.0)