Where to vote in Yankton, South Dakota on November 3, 2026
- Election DayTue, Nov 3Tuesday, November 3
- Polls open7 a.m. – 7 p.m.Local time
- Election officeYankton County605-260-4436
Find your polling place Election office Voting dates
Yankton is in Yankton County. Yankton has about 15,816 people, by the U.S. Census Bureau's 2025 estimate, which also gives its county lines.
Yankton County auditor's office
Check your registration and find your polling place at the Secretary of State's Voter Information Portal, the state's voter site.
South Dakota voting dates for Yankton voters
| Date | What |
|---|---|
| Fri, Sep 18 Started | Absentee voting opens source |
| Mon, Oct 19, 5 p.m. | Last day to register by mail or in person (closes 5 p.m.) source |
| Mon, Nov 2, 5 p.m. | Request an absentee ballot source |
| Tue, Nov 3, 7 p.m. | Last day to return your absentee ballot source |
| Tue, Nov 3, 7 p.m. | Election Day: polls open 7 a.m. to 7 p.m. source |
Yankton voting questions
Where do I vote in Yankton on Election Day?
At your assigned polling place, or a vote center where Yankton County uses them. Polls are open 7 a.m. to 7 p.m. local time. Enter your address on the South Dakota page to find yours.
What is the phone number of the election office for Yankton?
605-260-4436, the Yankton County Auditor, 321 W. 3rd St., Ste 100, Yankton, SD 57078.
Which county runs elections in Yankton?
Yankton County. Yankton voters register and vote with Yankton County.
More for Yankton voters
- South Dakota voting deadlines 2026: registration, mail ballots, early voting and Election Day.
- Yankton County election office: address and phone.
- Who is on the South Dakota ballot, race by race.
- What's on my ballot and where do I vote, from your street address.
- Voting in every major U.S. city.
Other big cities in South Dakota: Sioux Falls.
Office details are from the South Dakota Secretary of State, County Auditors (checked October 14, 2026). Dates are South Dakota's, each linked to its source. Call the office before you go; city population and county lines are from the U.S. Census Bureau.