Where to vote in Clayton, Missouri on November 3, 2026
- Election DayTue, Nov 3Tuesday, November 3
- Polls open6 a.m. – 7 p.m.Local time
- Election officeSt. Louis County314-615-1800
Find your polling place Election office Voting dates
Clayton is in St. Louis County. Clayton has about 17,807 people, by the U.S. Census Bureau's 2025 estimate, which also gives its county lines.
St. Louis County local election authority
St. Louis County Board of Elections
Office: 725 Northwest Plaza Dr., St. Ann, MO 63074
Phone: 314-615-1800
Website: stlouiscountymo.gov
Check your registration and find your polling place at the Secretary of State's voter lookup, the state's voter site.
Missouri voting dates for Clayton voters
| Date | What |
|---|---|
| Wed, Oct 7, 5 p.m. Ended | Last day to register online, by mail or in person source |
| Tue, Oct 20 | No-excuse early voting opens source |
| Wed, Oct 21, 5 p.m. | Request an absentee ballot by mail source |
| Mon, Nov 2, 5 p.m. | Early voting ends source |
| Tue, Nov 3, 7 p.m. | Return your absentee ballot source |
| Tue, Nov 3, 7 p.m. | Election Day: polls open 6 a.m. to 7 p.m. source |
Clayton voting questions
Where do I vote in Clayton on Election Day?
At your assigned polling place, or a vote center where St. Louis County uses them. Polls are open 6 a.m. to 7 p.m. local time. Enter your address on the Missouri page to find yours.
What is the phone number of the election office for Clayton?
314-615-1800, the St. Louis County Board of Elections, 725 Northwest Plaza Dr., St. Ann, MO 63074.
Which county runs elections in Clayton?
St. Louis County. Clayton voters register and vote with St. Louis County.
More for Clayton voters
- Missouri voting deadlines 2026: registration, mail ballots, early voting and Election Day.
- St. Louis County election office: address and phone.
- Who is on the Missouri 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 Missouri: Kansas City, St. Louis, Springfield, Columbia, Independence, Lee's Summit.
Office details are from the Missouri Secretary of State, Local Election Authorities (checked October 14, 2026). Dates are Missouri's, each linked to its source. Call the office before you go; city population and county lines are from the U.S. Census Bureau.