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ELECTION RESULTS
Presidential Senate House Governors
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South Dakota Democratic Presidential Primary 2024

Election Date: Jun. 4, 2024 | Updated 4:50 AM EDT Jun. 7, 2024
President Biden is seeking a second term in the White House as president. Biden is the overwhelming favorite to triumph in a Democratic primary where he's been challenged by Rep. Dean Phillips and author and motivational speaker Marianne Williamson.

Presidential Democratic Primary

99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *13,37274.6%
WilliamsonMarianne Williamson (D)2,07311.6%
PhillipsDean Phillips (D)1,7239.6%
Perez-SerratoArmando Perez-Serrato (D)7634.3%

County-By-County Results Map

Lead
Perez-Serrato Lead
Tied
No Results
Mail-in and early votes may not be included.

County-by-County Results

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Aurora County

98.25% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *2137.5%
PhillipsDean Phillips (D)1628.6%
WilliamsonMarianne Williamson (D)1628.6%
Perez-SerratoArmando Perez-Serrato (D)35.4%

Beadle County

99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *15465.8%
PhillipsDean Phillips (D)3615.4%
WilliamsonMarianne Williamson (D)3314.1%
Perez-SerratoArmando Perez-Serrato (D)114.7%

Bennett County

98.31% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *3560.3%
WilliamsonMarianne Williamson (D)1119.0%
PhillipsDean Phillips (D)813.8%
Perez-SerratoArmando Perez-Serrato (D)46.9%

Bon Homme County

98.72% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *9863.6%
WilliamsonMarianne Williamson (D)2818.2%
PhillipsDean Phillips (D)2616.9%
Perez-SerratoArmando Perez-Serrato (D)21.3%

Brookings County

98.92% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *44680.9%
WilliamsonMarianne Williamson (D)549.8%
PhillipsDean Phillips (D)386.9%
Perez-SerratoArmando Perez-Serrato (D)132.4%

Brown County

98.98% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *52467.4%
PhillipsDean Phillips (D)11114.3%
WilliamsonMarianne Williamson (D)10513.5%
Perez-SerratoArmando Perez-Serrato (D)384.9%

Brule County

98.73% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *9561.3%
WilliamsonMarianne Williamson (D)2818.1%
PhillipsDean Phillips (D)2415.5%
Perez-SerratoArmando Perez-Serrato (D)85.2%

Buffalo County

99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *2055.6%
Perez-SerratoArmando Perez-Serrato (D)616.7%
WilliamsonMarianne Williamson (D)616.7%
PhillipsDean Phillips (D)411.1%

Butte County

98.97% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *10654.9%
WilliamsonMarianne Williamson (D)4121.2%
PhillipsDean Phillips (D)2814.5%
Perez-SerratoArmando Perez-Serrato (D)189.3%

Campbell County

99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *1768.0%
WilliamsonMarianne Williamson (D)416.0%
Perez-SerratoArmando Perez-Serrato (D)28.0%
PhillipsDean Phillips (D)28.0%

Charles Mix County

98.85% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *10359.9%
PhillipsDean Phillips (D)3017.4%
WilliamsonMarianne Williamson (D)2916.9%
Perez-SerratoArmando Perez-Serrato (D)105.8%

Clark County

98.77% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *4455.0%
PhillipsDean Phillips (D)1518.8%
WilliamsonMarianne Williamson (D)1518.8%
Perez-SerratoArmando Perez-Serrato (D)67.5%

Clay County

98.99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *79089.9%
WilliamsonMarianne Williamson (D)445.0%
PhillipsDean Phillips (D)323.6%
Perez-SerratoArmando Perez-Serrato (D)131.5%

Codington County

99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *27863.9%
PhillipsDean Phillips (D)7316.8%
WilliamsonMarianne Williamson (D)7216.6%
Perez-SerratoArmando Perez-Serrato (D)122.8%

Corson County

98.96% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *5456.8%
WilliamsonMarianne Williamson (D)2223.2%
PhillipsDean Phillips (D)1010.5%
Perez-SerratoArmando Perez-Serrato (D)99.5%

Custer County

98.90% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *21881.0%
WilliamsonMarianne Williamson (D)259.3%
PhillipsDean Phillips (D)207.4%
Perez-SerratoArmando Perez-Serrato (D)62.2%

Davison County

99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *79676.6%
WilliamsonMarianne Williamson (D)11210.8%
PhillipsDean Phillips (D)928.9%
Perez-SerratoArmando Perez-Serrato (D)393.8%

Day County

98.77% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *11973.9%
PhillipsDean Phillips (D)2113.0%
WilliamsonMarianne Williamson (D)1710.6%
Perez-SerratoArmando Perez-Serrato (D)42.5%

Deuel County

98.48% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *4163.1%
PhillipsDean Phillips (D)1116.9%
WilliamsonMarianne Williamson (D)812.3%
Perez-SerratoArmando Perez-Serrato (D)57.7%

Dewey County

98.94% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *11260.2%
WilliamsonMarianne Williamson (D)3820.4%
PhillipsDean Phillips (D)2312.4%
Perez-SerratoArmando Perez-Serrato (D)137.0%

Douglas County

99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *2580.6%
PhillipsDean Phillips (D)39.7%
WilliamsonMarianne Williamson (D)39.7%
Perez-SerratoArmando Perez-Serrato (D)--

Edmunds County

98.96% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *4648.4%
PhillipsDean Phillips (D)2324.2%
WilliamsonMarianne Williamson (D)1818.9%
Perez-SerratoArmando Perez-Serrato (D)88.4%

Fall River County

98.97% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *14072.9%
PhillipsDean Phillips (D)2915.1%
WilliamsonMarianne Williamson (D)147.3%
Perez-SerratoArmando Perez-Serrato (D)94.7%

Faulk County

98.33% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *3050.8%
WilliamsonMarianne Williamson (D)1322.0%
PhillipsDean Phillips (D)1220.3%
Perez-SerratoArmando Perez-Serrato (D)46.8%

Grant County

99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *15271.4%
PhillipsDean Phillips (D)2712.7%
WilliamsonMarianne Williamson (D)2511.7%
Perez-SerratoArmando Perez-Serrato (D)94.2%

Gregory County

98.92% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *13071.0%
PhillipsDean Phillips (D)2915.8%
WilliamsonMarianne Williamson (D)189.8%
Perez-SerratoArmando Perez-Serrato (D)63.3%

Haakon County

99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *1560.0%
WilliamsonMarianne Williamson (D)520.0%
PhillipsDean Phillips (D)312.0%
Perez-SerratoArmando Perez-Serrato (D)28.0%

Hamlin County

98.41% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *4064.5%
WilliamsonMarianne Williamson (D)1219.4%
PhillipsDean Phillips (D)69.7%
Perez-SerratoArmando Perez-Serrato (D)46.5%

Hand County

99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *3367.3%
WilliamsonMarianne Williamson (D)714.3%
PhillipsDean Phillips (D)612.2%
Perez-SerratoArmando Perez-Serrato (D)36.1%

Hanson County

99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *6151.3%
PhillipsDean Phillips (D)3226.9%
WilliamsonMarianne Williamson (D)1613.4%
Perez-SerratoArmando Perez-Serrato (D)108.4%

Harding County

99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *1252.2%
Perez-SerratoArmando Perez-Serrato (D)417.4%
WilliamsonMarianne Williamson (D)417.4%
PhillipsDean Phillips (D)313.0%

Hughes County

99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *12579.1%
WilliamsonMarianne Williamson (D)1610.1%
PhillipsDean Phillips (D)95.7%
Perez-SerratoArmando Perez-Serrato (D)85.1%

Hutchinson County

98.90% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *5965.6%
PhillipsDean Phillips (D)1516.7%
WilliamsonMarianne Williamson (D)1314.4%
Perez-SerratoArmando Perez-Serrato (D)33.3%

Hyde County

99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *1252.2%
WilliamsonMarianne Williamson (D)1043.5%
PhillipsDean Phillips (D)14.3%
Perez-SerratoArmando Perez-Serrato (D)--

Jackson County

98.04% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *3876.0%
PhillipsDean Phillips (D)510.0%
WilliamsonMarianne Williamson (D)510.0%
Perez-SerratoArmando Perez-Serrato (D)24.0%

Jerauld County

99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *3371.7%
WilliamsonMarianne Williamson (D)817.4%
PhillipsDean Phillips (D)36.5%
Perez-SerratoArmando Perez-Serrato (D)24.3%

Jones County

99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *1147.8%
Perez-SerratoArmando Perez-Serrato (D)521.7%
WilliamsonMarianne Williamson (D)521.7%
PhillipsDean Phillips (D)28.7%

Kingsbury County

99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *8080.8%
WilliamsonMarianne Williamson (D)1010.1%
PhillipsDean Phillips (D)66.1%
Perez-SerratoArmando Perez-Serrato (D)33.0%

Lake County

99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *15270.0%
PhillipsDean Phillips (D)3315.2%
WilliamsonMarianne Williamson (D)2612.0%
Perez-SerratoArmando Perez-Serrato (D)62.8%

Lawrence County

98.97% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *54280.8%
WilliamsonMarianne Williamson (D)6910.3%
PhillipsDean Phillips (D)395.8%
Perez-SerratoArmando Perez-Serrato (D)213.1%

Lincoln County

98.99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *60577.3%
WilliamsonMarianne Williamson (D)8510.9%
PhillipsDean Phillips (D)729.2%
Perez-SerratoArmando Perez-Serrato (D)212.7%

Lyman County

98.51% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *4263.6%
WilliamsonMarianne Williamson (D)1116.7%
PhillipsDean Phillips (D)812.1%
Perez-SerratoArmando Perez-Serrato (D)57.6%

Marshall County

99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *9771.3%
PhillipsDean Phillips (D)1914.0%
WilliamsonMarianne Williamson (D)1410.3%
Perez-SerratoArmando Perez-Serrato (D)64.4%

McCook County

98.95% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *6569.1%
PhillipsDean Phillips (D)1617.0%
WilliamsonMarianne Williamson (D)99.6%
Perez-SerratoArmando Perez-Serrato (D)44.3%

McPherson County

99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *2565.8%
PhillipsDean Phillips (D)513.2%
WilliamsonMarianne Williamson (D)513.2%
Perez-SerratoArmando Perez-Serrato (D)37.9%

Meade County

99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *35371.0%
WilliamsonMarianne Williamson (D)7214.5%
PhillipsDean Phillips (D)5110.3%
Perez-SerratoArmando Perez-Serrato (D)214.2%

Mellette County

98.31% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *4170.7%
PhillipsDean Phillips (D)813.8%
WilliamsonMarianne Williamson (D)712.1%
Perez-SerratoArmando Perez-Serrato (D)23.4%

Miner County

98.84% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *5362.4%
PhillipsDean Phillips (D)1618.8%
WilliamsonMarianne Williamson (D)910.6%
Perez-SerratoArmando Perez-Serrato (D)78.2%

Minnehaha County

99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *2,27679.4%
WilliamsonMarianne Williamson (D)2699.4%
PhillipsDean Phillips (D)2147.5%
Perez-SerratoArmando Perez-Serrato (D)1083.8%

Moody County

99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *7669.7%
PhillipsDean Phillips (D)1513.8%
WilliamsonMarianne Williamson (D)1513.8%
Perez-SerratoArmando Perez-Serrato (D)32.8%

Oglala Lakota County

99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *24473.1%
Perez-SerratoArmando Perez-Serrato (D)4312.9%
WilliamsonMarianne Williamson (D)4112.3%
PhillipsDean Phillips (D)61.8%

Pennington County

99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *2,26681.0%
WilliamsonMarianne Williamson (D)2679.5%
PhillipsDean Phillips (D)1655.9%
Perez-SerratoArmando Perez-Serrato (D)1013.6%

Perkins County

99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *1645.7%
WilliamsonMarianne Williamson (D)822.9%
PhillipsDean Phillips (D)617.1%
Perez-SerratoArmando Perez-Serrato (D)514.3%

Potter County

99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *2165.6%
PhillipsDean Phillips (D)618.8%
WilliamsonMarianne Williamson (D)39.4%
Perez-SerratoArmando Perez-Serrato (D)26.2%

Roberts County

97.71% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *18471.9%
PhillipsDean Phillips (D)3814.8%
WilliamsonMarianne Williamson (D)197.4%
Perez-SerratoArmando Perez-Serrato (D)155.9%

Sanborn County

99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *2477.4%
PhillipsDean Phillips (D)39.7%
WilliamsonMarianne Williamson (D)39.7%
Perez-SerratoArmando Perez-Serrato (D)13.2%

Spink County

99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *7569.4%
WilliamsonMarianne Williamson (D)1715.7%
PhillipsDean Phillips (D)1513.9%
Perez-SerratoArmando Perez-Serrato (D)10.9%

Stanley County

98.33% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *4881.4%
PhillipsDean Phillips (D)711.9%
WilliamsonMarianne Williamson (D)46.8%
Perez-SerratoArmando Perez-Serrato (D)--

Sully County

98.39% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *4472.1%
WilliamsonMarianne Williamson (D)813.1%
PhillipsDean Phillips (D)69.8%
Perez-SerratoArmando Perez-Serrato (D)34.9%

Todd County

99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *23477.5%
WilliamsonMarianne Williamson (D)3812.6%
Perez-SerratoArmando Perez-Serrato (D)206.6%
PhillipsDean Phillips (D)103.3%

Tripp County

99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *8069.0%
WilliamsonMarianne Williamson (D)1714.7%
PhillipsDean Phillips (D)1311.2%
Perez-SerratoArmando Perez-Serrato (D)65.2%

Turner County

99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *12155.3%
WilliamsonMarianne Williamson (D)4219.2%
PhillipsDean Phillips (D)4018.3%
Perez-SerratoArmando Perez-Serrato (D)167.3%

Union County

99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *21370.5%
WilliamsonMarianne Williamson (D)4113.6%
PhillipsDean Phillips (D)3712.3%
Perez-SerratoArmando Perez-Serrato (D)113.6%

Walworth County

99% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *2757.4%
WilliamsonMarianne Williamson (D)1021.3%
PhillipsDean Phillips (D)817.0%
Perez-SerratoArmando Perez-Serrato (D)24.3%

Yankton County

98.98% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *29475.6%
WilliamsonMarianne Williamson (D)4110.5%
PhillipsDean Phillips (D)318.0%
Perez-SerratoArmando Perez-Serrato (D)235.9%

Ziebach County

98.33% Est. Vote Counted
*Incumbent
CandidateTotal Votes% Votes
BidenJoe Biden (D) *4169.5%
WilliamsonMarianne Williamson (D)1322.0%
Perez-SerratoArmando Perez-Serrato (D)35.1%
PhillipsDean Phillips (D)23.4%

Election results provided by the Associated Press. Estimated vote counts are provided by the Associated Press and informed by past turnout, advance votes cast and early returns.