South Dakota

Welcome South Dakota voters! Below you will find your upcoming election dates, voter registration deadlines, state requirements for Voter ID, as well as information on online voter registration, automatic voter registration, vote-by-mail, early voting, and minor pre-registration.


Primary Election Dates & Registration Deadlines

Party Primaries
Registration Deadlines
Same Day Registration
Mail-In Online In-Person
June 5 May 21 (received) N/A May 21 No


General Election Dates & Registration Deadlines

General Election Registration Deadlines
Same Day Registration
Mail-In Online In-Person
November 6 October 22 (received) N/A October 22 No


Online Voter Registration

South Dakota does not have online voter registration, but a voter can complete a printable form online and then print, sign, and submit it. You can complete the PDF here.

Voter ID

Strict = if no identification, voter must take additional measures after Election Day to have ballot counted

Non-strict = if no identification, voter still has option to cast ballot that may be counted without additional measures by voter

South Dakota has non-strict photo ID requirements. Here are the approved forms of ID in the state of South Dakota:

  • South Dakota driver’s license or nondriver ID card
  • U.S. government photo ID (passport is acceptable)
  • U.S. Armed Forces ID
  • Current student photo identification card from a South Dakota high school or South Dakota accredited institution of higher education
  • Tribal photo ID


South Dakota does have “no-excuse” vote-by-mail. You must request your ballot by 5:00 p.m. the day before Election Day. Your ballot must be received by 5:00 p.m. the day before Election Day.

Early Voting

South Dakota has in-person early voting. Early voting begins 46 days prior to Election Day and ends 5:00 p.m. the day before Election Day. Early voting is located at County Auditor’s Offices. More information early voting is available here.

Automatic Voter Registration (Motor Voter)

South Dakota has no Automatic Voter Registration.

Minor Pre-Registration

No specific provision. Contact your state election officials for details.

Links to State-by-State Charts

2018 Election Dates & Deadlines

Online Voter Registration

Automatic Voter Registration

Vote By Mail

Early Voting

Voter ID

Content Updated Summer 2018


Voting Rights Updates

Get the latest updates on the ongoing struggle to defend voting rights and make it easier to vote.