South Dakota

Presidential Primary Date:  June 4, 2024

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Open or Closed:  Partially closed

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How to Vote in the Primary:  Voting: South Dakota Secretary of State (sdsos.gov)

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OPEN-PRIMARIES | HOME (openprimaries.org)

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Primaries and Caucuses - Rock the Vote

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South Dakota has semi-open and closed primaries. Only voters registered with the Republican Party may only vote in that party's primary. Voters registered with the Democratic Party and unaffiliated voters may vote in the Democratic Primary.

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Wanting to Change Party Affiliation
If you decide to change your party affiliation, you must update your voter registration by completing a voter registration form, then mail or return to your County Auditor.

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Voters must register as a Republican to vote in the Republican party’s primaries.​