★ Easiest in South Dakota
Option 1 of 3
Vote early, in person
- When
- Sep 18 – Nov 2
46 days · weekday hours vary
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46 days at county auditor.
South Dakota
You have three ways to cast a ballot. Here's the easiest one for you.
Option 2 of 3
Vote by mail
- When
- Ballots auto-mailed or available on request
- Return deadline
- Must arrive by Election Day
No excuse required
Return by mail or at any drop box, vote center, or county office
Notarization or photo ID copy required on application.
Option 3 of 3
Vote on Election Day
- When
- Tue, Nov 3
Polls open on Election Day
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── Pick your voting day
When will you vote?
Pick a date below. We'll show you what to expect.
October 2026
Election DayEarly voting window
── Build your voting plan
Save all your important voting dates to your calendar with one click.
Includes 3 events: early voting, mail ballot deadline, and Election Day. Adjust later in your calendar app.
Generated locally in your browser. Nothing sent anywhere.
── Take it with you
Make a card you can share or print.
A pocket-sized South Dakota voting plan you can download to your phone, share with a friend, or print on a 4×6 card.
Make my plan card── Your 2026 federal races
What's on your federal ballot
U.S. Senate: Senator Mike Rounds is running for reelection.
For specific candidates and updates, visit your state's official election office (opens in new tab).
U.S. House: South Dakota's 1 House seat is on the ballot.
For specific candidates, visit your state's official election office (opens in new tab).
Last updated: May 3, 2026. Race information changes as candidates file and primaries finalize. Always verify with your state's election office for the most current information.
── What to bring
South Dakota requires photo ID.
Affidavit available.
Bring one of these
- Driver's license or state-issued non-driver ID
- U.S. passport or passport card
- Military or veteran ID
- Tribal enrollment card
- Concealed carry permit (in some states)
Lists vary by state. South Dakota's full accepted-ID list is on its election authority site.
No ID? You can still vote. Sign an affidavit/declaration form at the polling site and your ballot still counts. Don't let anyone turn you away.
── Registration
No same-day registration. Register before the deadline.
Not registered yet? Register at vote.gov (opens in new tab). It's the federal government's portal and routes you to South Dakota's election authority.
Trouble at the polls?
Long lines, broken machines, anyone challenging your right to vote. Call. Lawyers answer in seconds.
Sources
- South Dakota election authority via vote.gov (opens in new tab)
- In-repo data file
data/states.ts· last reviewed 2026-04-30