How to Vote in South Dakota: 2026 Deadlines, Early Voting & Poll Hours

To vote in the November 3, 2026 general election, register by ≈ October 19, 2026 — 15 days before Election Day.

Dates marked ≈ are computed from state statute and can shift with county practice. Confirm your exact deadline and check your registration status at South Dakota's official site.

Early voting opens ≈ September 18, 2026 — 46 days before Election Day. It runs through 5 p.m. day before Election Day.

In-person absentee at the county auditor’s office.

Confirm exact locations and hours — which vary by county — at South Dakota's official election site.

Any registered voter in South Dakota may request a mail ballot — no excuse required. Request deadline: Day before Election Day at 5 p.m..

Return rule: Must be received by close of polls on Election Day

Details and request forms are at South Dakota's official election site.

A photo ID is requested, but a voter without one can still cast a ballot that counts without a later trip back — for example by signing an affidavit or having a provisional ballot verified some other way.

See the full list of accepted ID at South Dakota's official election site.

Polls are open until 7 p.m. CT / 7 p.m. MT on November 3, 2026 — because South Dakota spans more than one time zone, the last polls in the state close at 9:00 p.m. ET.

See how South Dakota's closing time compares nationwide on the full poll closing times by state page, or confirm your local hours at South Dakota's official election site.