State facts
- Population
- 6,270,541 (2025 estimate; 6,154,913 in the 2020 Census)
- Seats in the U.S. House
- 8
- State legislature
- Senate: 34 members, 4-year terms
- House of Representatives: 163 members, 2-year terms
Sources: U.S. Census Bureau, 2025 state population estimates; National Conference of State Legislatures. Checked October 19, 2026.
Who represents Missouri now
- Governor
- Mike Kehoe · Republican · since January 2025
- U.S. senators
- Josh Hawley · Republican · since 2019
- Eric Schmitt · Republican · since 2023
- U.S. House members
- 8 seats · Democratic: 2, Republican: 6
Sources: National Governors Association (party and start date: Wikidata); congress-legislators (current members of Congress). Checked October 19, 2026.
Voting in Missouri
From the state election office’s own website. Each answer shows the official wording it comes from.
- Registration deadline
For the November 3, 2026 General Election, the last day to register to vote is October 7, 2026.
Official wording: “November 3, 2026 | General Election | October 7, 2026” — state election office, page read October 15, 2026
- Register online
The state offers an online voter registration application.
Official wording: “Submit Online Voter Registration Application” — state election office, page read September 23, 2026
- Early voting
From the second Tuesday before an election to the day before it, you may vote a no-excuse absentee ballot in person at a location your local election authority designates.
Official wording: “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.” — state election office, page read October 17, 2026
- Request a mail ballot by
Mailed or faxed absentee ballot requests must reach the election authority by 5:00 p.m. on the second Wednesday before any election.
Official wording: “Mail in or faxed absentee ballot requests must be received by the election authority no later than the 5:00 p.m. on the second Wednesday prior to any election.” — state election office, page read October 17, 2026
- Mail ballot due
The election authority must receive all absentee ballots by the close of polls on Election Day for them to be counted.
Official wording: “The election authority must receive all absentee ballots by the close of polls on Election Day in order to be counted.” — state election office, page read October 14, 2026
- Election Day hours
Polling places are open from 6:00 AM to 7:00 PM on Election Day.
Official wording: “POLLING PLACES ARE OPEN FROM 6:00 AM TO 7:00 PM ON ELECTION DAY.” — state election office, page read October 17, 2026
For anything not listed, and to check your registration, see Missouri’s election office: sos.mo.gov
Federal1
Federal candidate lists come from FEC filings. A candidate is marked “on the ballot” once their campaign files a pre-general report or the state’s official candidate list confirms it; others filed for 2026 but may have lost a primary or withdrawn.