Missouri voting guide

Open the election authority’s current instructions

Missouri · November 3, 2026

The ordinary registration deadline has passed. OFF-MO · BP-REG · VOTE-REG

Ordinary domestic voters; same-day registration routes and local conditions remain distinct.
Registration route	Date	Rule	Evidence
Online	Oct 7		OFF-MO · BP-REG · VOTE-REG
Mail	Oct 7	postmarked	OFF-MO · BP-REG · VOTE-REG
In person	Oct 7		OFF-MO · BP-REG · VOTE-REG

A displayed window does not mean every site is open every day. Times are local unless a named time zone is given.
Voting task	Date or window	Instructions
Mailed ballot request	Oct 21	The application must reach the election authority by this date. BP-MAIL · VOTE-MAIL
In-person early/absentee route	Oct 20–Nov 2	No-excuse in-person absentee voting is October 20–November 2. A qualifying excuse is required for a mailed absentee ballot; remote requests are due October 21. Email/fax submission is distinct from an online application portal. BP-EARLY · VOTE-EARLY
Ballot return	Method-specific rule	The election authority must have the ballot by 7 p.m. on Nov 3; an Election Day postmark alone does not meet this receipt deadline. BP-RETURN · VOTE-MAIL
Election Day hours	6 a.m. to 7 p.m.	Local time. Check the assigned polling place for applicable exceptions. BP-HOURS · VOTECLOCK · GP-HOURS

No-excuse in-person absentee voting is October 20–November 2. A qualifying excuse is required for a mailed absentee ballot; remote requests are due October 21. Email/fax submission is distinct from an online application portal. OFF-MO · BP-MAIL · VOTE-MAIL · BP-RETURN · BP-EARLY · VOTE-EARLY

Official state election information and ballot lookup. Military/overseas, emergency, accessible-ballot and special-eligibility rules can differ.

2026 House districts; all outlooks are pre-election assessments.
House district	Outlook	DDHQ / Cook
MO-1	Safe D	Safe D / Safe D DDHQ-H · COOK-H
MO-2	Likely R	Likely R / Likely R DDHQ-H · COOK-H
MO-3	Safe R	Safe R / Safe R DDHQ-H · COOK-H
MO-4	Safe R	Safe R / Safe R DDHQ-H · COOK-H
MO-5	Safe D	Safe D / Safe D DDHQ-H · COOK-H
MO-6	Safe R	Safe R / Safe R DDHQ-H · COOK-H
MO-7	Safe R	Safe R / Safe R DDHQ-H · COOK-H
MO-8	Safe R	Safe R / Safe R DDHQ-H · COOK-H

Historical calendar records · original source-check dates retained

These archived records concern earlier elections and are not current registration instructions.

MO / Primary Confirmed official

Tuesday, August 4, 2026

Missouri

U.S. House (all districts) · Statewide offices & Legislature

Election brief