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South Dakota does not offer online voter registration. For information on how to register to vote or update your registration, visit the state's voter registration information webpage: http://sdsos.gov/elections-voting/voting/register-to-vote/default.aspx.
Local Election Office Directory
State Election Office Phone Number:
605-773-3537
Voter Registration Information | Voting Information |
| Register to Vote | Absentee/ Mail and/or Early Voting |
| Update Your Registration | Track Your Ballot |
| Check Your Registration | In-Person Voting Location Lookup |
| Cancel Your Registration | Military Voters |
| Overseas Citizen Voters | |
| Update Political Party: This is the same process as registering or updating your registration. |
| Registration Deadline |
|---|
| 15 days before Election Day by mail and in-person |
Updated on August 3, 2026.
