Vote Clock

Missouri county local election authorities: all 116 offices

Find your county below for its local election authority's address and phone, as the Missouri Secretary of State, Local Election Authorities lists them.

Missouri voting dates

DateWhat
Wed, Oct 7, 5:00 PMLast day to register
Last day to register for the Nov 3 election: online, in person at your local election authority, or by mail with a form postmarked by Oct 7. Missouri law (RSMo 115.135) sets the cutoff at 5:00 p.m., or your election office's normal closing time if that is later. source
Tue, Oct 20No-excuse early voting opens
From Oct 20, any registered voter can vote absentee in person without giving a reason, at a location chosen by the local election authority. Bring a photo ID. Voters with a qualifying reason could start Sept 22. Hours vary by election office. source
Wed, Oct 21, 5:00 PMRequest an absentee ballot by mail
A mailed or faxed request must reach your local election authority by 5:00 p.m. on Oct 21. Missouri requires a qualifying reason to vote absentee by mail. You can still vote absentee in person through Nov 2. source
Mon, Nov 2, 5:00 PMEarly voting ends
Last day to vote absentee in person at your local election authority's office. Voting ends at 5:00 p.m. source
Tue, Nov 3, 7:00 PMReturn your absentee ballot
Your local election authority must receive your absentee ballot by the time the polls close at 7:00 p.m. on Election Day. A postmark is not enough. source
Tue, Nov 3, 7:00 PMElection Day: polls open 6:00 a.m. to 7:00 p.m.
If you are in line at 7:00 p.m., you can still vote. Bring an accepted photo ID. Find your polling place with the Secretary of State's voter lookup. source

More for Missouri voters

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.