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SDSenate
SD Senate
Incumbent: Mike Rounds · Republican
4
Candidates
Jun 2
Primary
Nov 3
General
Passed
Until Primary
Filing
Closed
Primary
Jun 2
General
Nov 3
Decided
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Voter Action
Registration deadlineMay 18, 2026
Vote by mailNo
Voter ID requiredYes
Early votingNo
Runoff riskNo