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Missouri elections in 2026

This page lists Missouri statewide election dates, voter registration deadlines, absentee and early voting timelines, poll hours, and official election resources.

At a glance​

Register to vote in Missouri​

Start with the official Missouri voter registration page. The section below highlights registration methods and the deadlines tied to the next statewide election on this page.

Missouri voters may register online, by mail, or in person. Registration deadlines may vary by election type or method where noted.

Upcoming registration deadlines​

  • July 8, 2026 — Voter Registration Deadline In Person: Voters may register in person at their County Clerk's office at the address listed below. In person registration deadline is 27 days before Election Day.
  • July 8, 2026 — Voter Registration Deadline By Mail, Fax or email attachment: Completed voter registration applications must be postmarked 27 days before Election Day and mailed to your local election authority.
  • July 8, 2026 — Voter Registration Deadline Online: Online registration deadline is 27 days before Election Day.

Online​

Online registration deadline is 27 days before Election Day

Eligibility or requirements

  • Must meet state voter registration eligibility requirements.

Deadlines

By Mail​

Completed voter registration applications must be postmarked 27 days before Election Day and mailed to your local election authority.

Deadlines

In Person​

Voters may register in person at their County Clerk's office at the address listed below. In person registration deadline is 27 days before Election Day

Deadlines

Special registration options​

Military Overseas: Available

you can register and request your absentee ballot at the same time

Additional registration notes​

Other Registration Option

The National Mail Voter Registration Form may also be available where accepted.

Registration Status

Consider yourself registered when- and only when- you receive an acknowledgment from your county clerk. Never assume you are registered to vote until you have received this acknowledgment. Call your county clerk and inquire about the status of your application. Check your voter registration status online by visiting this site

Absentee and early voting in Missouri​

These absentee and early voting deadlines are tied to the next statewide election listed on this page. Local procedures can vary, so confirm final details with your local election office.

  • July 8, 2026 — Voter Registration Deadline By Mail, Fax or email attachment: Completed voter registration applications must be postmarked 27 days before Election Day and mailed to your local election authority.
  • July 21, 2026 — In-Person Absentee voting begins: From the second Tuesday before an election to the day before the election, you may vote a no-excuse absentee ballot in person at a location designated by your local election authority.
  • August 3, 2026 — In-Person Absentee voting ends: In-Person Absentee ballot voting ends on the day before an election.

Voter ID requirements in Missouri​

Review the current voter ID rules before you vote: Missouri voter ID requirements.

Missouri election dates for 2026​

Primary Election — August 4, 2026​

The state primary are held on the first Tuesday after the first Monday in August in each even-numbered year to select the nominees of the major political parties for partisan offices. MO ST § 115. 341

Important dates​

  • February 24, 2026 — Candidates Filling Begins: First Day for Candidate Filing
  • March 31, 2026 — Candidates Filling Ends: Last Day for Candidate Filing
  • July 8, 2026 — Voter Registration Deadline In Person: Voters may register in person at their County Clerk's office at the address listed below. In person registration deadline is 27 days before Election Day.
  • July 8, 2026 — Voter Registration Deadline By Mail, Fax or email attachment: Completed voter registration applications must be postmarked 27 days before Election Day and mailed to your local election authority.
  • July 8, 2026 — Voter Registration Deadline Online: Online registration deadline is 27 days before Election Day.
  • July 21, 2026 — In-Person Absentee voting begins: From the second Tuesday before an election to the day before the election, you may vote a no-excuse absentee ballot in person at a location designated by your local election authority.
  • August 3, 2026 — In-Person Absentee voting ends: In-Person Absentee ballot voting ends on the day before an election.

General Election — November 3, 2026​

November General election is held the Tuesday after the first Monday of November

Important dates​

  • July 7, 2026 — Candidates Filling Begins: First Day for Candidate Filing
  • July 28, 2026 — Candidates Filling Ends: Last Day for Candidate Filing
  • October 7, 2026 — Voter Registration Deadline In Person: Voters may register in person at their County Clerk's office at the address listed below. In person registration deadline is 27 days before Election Day.
  • October 7, 2026 — Voter Registration Deadline By Mail, Fax or email attachment: Completed voter registration applications must be postmarked 27 days before Election Day and mailed to your local election authority.
  • October 7, 2026 — Voter Registration Deadline Online: Online registration deadline is 27 days before Election Day.
  • October 20, 2026 — In-Person Absentee voting begins: From the second Tuesday before an election to the day before the election, you may vote a no-excuse absentee ballot in person at a location designated by your local election authority.
  • November 2, 2026 — In-Person Absentee voting ends: In-Person Absentee ballot voting ends on the day before an election.

Official Missouri election resources​

Use these official and state-specific resources to confirm dates, registration rules, absentee voting requirements, voter ID rules, and local procedures.

What may vary locally​

Election dates, voter registration deadlines, early voting, absentee voting, and voting hours apply to statewide elections in most cases. However, Check with your Town Clerk for the hours of voting, and voter registration deadlines as they vary by town. Please be advised that these dates are updated regularly but are subject to scheduling changes at the local level.