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Election results / South Dakota

November 3, 2026 · U.S. Senate

U.S. Senate

South Dakota

SD · U.S. Senate

U.S. Senate

Unofficial results

Full contest · Nov 3, 2026

Mike Rounds
GOPProjected winner
60.5%184,572 votes
39.5%120,490 votes
Reported vote share305,062 votes

Vote counts: Associated Press, via NBC News. Winner projections: NBC News Decision Desk. These returns are not certified.

The election, place by place

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County breakdown

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U.S. Census Bureau · 2025 reference boundaries. County colors describe this contest’s reported county votes, not every voter or precinct in the county.

County by county

66 with returns

Choose a county to see every candidate’s votes. These are county leaders, not race calls. Unlisted counties have no reviewed return in this snapshot.

County vote totals and leading choice for U.S. Senate
CountyLeading choiceVotes for leaderShare
Aurora County Mike Rounds67970.1%
Beadle County Mike Rounds3,28268.4%
Bennett County Mike Rounds49960.0%
Bon Homme County Mike Rounds1,54071.8%
Brookings County Mike Rounds6,40856.0%
Brown County Mike Rounds7,27760.6%
Brule County Mike Rounds1,21168.4%
Buffalo County Brian Bengs22261.0%
Butte County Mike Rounds2,52473.6%
Campbell County Mike Rounds48881.2%
Charles Mix County Mike Rounds1,83869.1%
Clark County Mike Rounds1,17076.3%
Clay County Brian Bengs2,27656.3%
Codington County Mike Rounds6,42165.0%
Corson County Mike Rounds39555.6%
Custer County Mike Rounds3,14767.6%
Davison County Mike Rounds4,01466.4%
Day County Mike Rounds1,38961.9%
Deuel County Mike Rounds1,18770.4%
Dewey County Brian Bengs67553.8%
Douglas County Mike Rounds1,08486.1%
Edmunds County Mike Rounds1,08875.6%
Fall River County Mike Rounds2,21767.9%
Faulk County Mike Rounds65880.7%
Grant County Mike Rounds2,04370.4%
Gregory County Mike Rounds1,18675.5%
Haakon County Mike Rounds71185.0%
Hamlin County Mike Rounds1,65874.3%
Hand County Mike Rounds98978.1%
Hanson County Mike Rounds88775.1%
Harding County Mike Rounds56786.3%
Hughes County Mike Rounds4,26666.1%
Hutchinson County Mike Rounds1,95776.6%
Hyde County Mike Rounds39778.5%
Jackson County Mike Rounds51066.4%
Jerauld County Mike Rounds48870.4%
Jones County Mike Rounds38083.5%
Kingsbury County Mike Rounds1,42169.3%
Lake County Mike Rounds2,83164.0%
Lawrence County Mike Rounds6,46059.5%
Lincoln County Mike Rounds15,38758.6%
Lyman County Mike Rounds72864.8%
Marshall County Mike Rounds1,00760.8%
McCook County Mike Rounds1,55571.9%
McPherson County Mike Rounds81682.3%
Meade County Mike Rounds6,91669.2%
Mellette County Mike Rounds37261.4%
Miner County Mike Rounds62270.4%
Minnehaha County Mike Rounds34,35451.6%
Moody County Mike Rounds1,51761.9%
Oglala Lakota County Brian Bengs1,81484.4%
Pennington County Mike Rounds21,84357.2%
Perkins County Mike Rounds98577.9%
Potter County Mike Rounds74580.6%
Roberts County Mike Rounds1,73058.5%
Sanborn County Mike Rounds58570.7%
Spink County Mike Rounds1,53968.2%
Stanley County Mike Rounds98174.0%
Sully County Mike Rounds57580.8%
Todd County Brian Bengs1,20274.8%
Tripp County Mike Rounds1,54079.7%
Turner County Mike Rounds2,34472.3%
Union County Mike Rounds3,86267.0%
Walworth County Mike Rounds1,27277.6%
Yankton County Mike Rounds4,49958.6%
Ziebach County Mike Rounds30052.9%