How to register to vote in South Dakota

By NPR staff
  •   Last revised Tuesday, July 14, 2026

Key links

General information Check voter registration status Online registration not available Change registration

Deadlines for June 2 primary election

By mail Received by Monday, May 18
In person Register by Monday, May 18

Deadlines for Nov. 3 general election

By mail Received by Monday, Oct. 19
In person Register by Monday, Oct. 19

Last updated July 14, 2026. Military and overseas citizen voters may have different registration deadlines.