Missouri
Election authority: Missouri Secretary of State
Listing checked Oct 2026
Official links for Missouri. This page lists the election office and where to confirm registration, deadlines, voter ID, and absentee or mail ballots. It does not restate those rules.
- Election office
- Missouri Secretary of State
- Election website
- https://www.sos.mo.gov/elections
- Registration page
- https://www.sos.mo.gov/elections/goVoteMissouri/register/
- Absentee / mail-ballot page
- https://www.sos.mo.gov/elections/goVoteMissouri/howtovote
- Registration deadline
- Not stored in this directory
- Voter ID documents
- Not stored in this directory
- Listing checked
- Oct 2026
Election office
Missouri Secretary of State is the election authority listed for Missouri.
- Missouri Secretary of State election website →
Official state election website
https://www.sos.mo.gov/elections
- USA.gov: Find Your State or Local Election Office →
Official government source
https://www.usa.gov/election-office
Listing on this site
Voter registration
Official Missouri registration page listed in this directory.
- Missouri voter registration →
Official state registration page
https://www.sos.mo.gov/elections/goVoteMissouri/register/
- Vote.gov →
Official government source
https://vote.gov
Listing on this site - USA.gov: Voter Registration →
Official government source
https://www.usa.gov/voter-registration
Listing on this site - USA.gov: Check Your Voter Registration →
Official government source
https://www.usa.gov/confirm-voter-registration
Listing on this site
Registration deadlines
The Missouri registration deadline is not stored in this directory. Use the official registration link for the current date.
- Missouri voter registration →
Official state registration page
https://www.sos.mo.gov/elections/goVoteMissouri/register/
- Vote.gov →
Official government source
https://vote.gov
Listing on this site - USA.gov: Voter Registration →
Official government source
https://www.usa.gov/voter-registration
Listing on this site
Voter ID
Missouri ID documents are not stored in this directory. Use the election website and the federal voter ID guide.
- Missouri Secretary of State election website →
Official state election website
https://www.sos.mo.gov/elections
- USA.gov: Voter ID Requirements →
Official government source
https://www.usa.gov/voter-id
Listing on this site - NCSL: Voter ID Laws →
Non-government · nonpartisan
https://www.ncsl.org/elections-and-campaigns/voter-id
Listing on this site
Absentee and mail ballots
Official Missouri absentee and mail-ballot page listed in this directory.
- Missouri absentee and mail ballots →
Official state absentee / mail-ballot page
https://www.sos.mo.gov/elections/goVoteMissouri/howtovote
- USA.gov: Absentee and Mail-In Voting →
Official government source
https://www.usa.gov/absentee-voting
Listing on this site - Federal Voting Assistance Program (FVAP) →
Official government source
https://www.fvap.gov
Listing on this site
Procedural guides on this site
These guides explain how to look rules up. They are not a statement of Missouri law.
Always verify with your state or local election office. Deadlines, ID requirements, and ballot rules vary by state and change between elections. Confirm details at vote.gov or your local election office.