Registration deadlines

The deadline for November 3, 2026 has passed

The last day to register to vote in the November 3, 2026 general election was Wednesday, October 7, 2026.^[1]

For most voters in Missouri, the deadline is the fourth Wednesday before an election.^[2] A mailed form must be postmarked by that day.^[3]

If you missed it

• If you register now, you can vote in later elections.^[2]
• If you are already registered and moved, you may still be able to vote.^[4] See If you moved or changed your name.^[4]

Military voters who just came home

Some members of the military, and people who just finished a job overseas, can register late.^[2] This is for people who were discharged, came back from deployment, or left a job outside the United States after the deadline.^[2] They can register in person at the county board until 5 p.m. on the Friday before the election.^[2] They must bring papers that show they qualify.^[2] See Military and overseas voters.

Registering for future elections

You can register online, by mail or in person.^[3] Start on the Secretary of State's Register to Vote page.