Back to QuestionsU.S. citizen.
17 years and 6 months to register; 18 by Election Day to vote.
MO resident.
Not on probation or parole after conviction of a felony — rights restored only after complete discharge.
Not convicted of an election offense (permanent disqualification).
Not under guardianship.
Online: sos.mo.gov/elections (requires Missouri DL/non-driver ID).
Paper: mail or hand-deliver to county clerk or election authority.
In person: Department of Revenue, local election authority, NVRA agencies.
4th Wednesday before Election Day (Mo. Rev. Stat. § 115.135) — typically 27 days before.
Missouri DL/ID or last 4 of SSN at registration.
At the polls (HB 1878, 2022): non-expired Missouri DL, non-driver license, US passport, or military ID. Voters without ID may cast a provisional ballot that counts only if they return with ID or signature matches.
May register at school address; out-of-state student ID not sufficient for in-person voting.
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How do I register to vote in Missouri?
Federal & State Law Editorial TeamLast reviewed: 2026-05-17
Missouri implemented strict photo voter ID through HB 1878 (2022) and continues a paper-friendly registration system with limited online options.
1. Eligibility (Mo. Const. art. VIII; Mo. Rev. Stat. § 115.133)
2. How to Register
3. Deadline
4. ID Requirements
5. College Students
This is legal information, not legal advice.
When to Talk to a Lawyer
- Your registration was improperly denied or purged
- You have a felony conviction with disputed restoration status (especially probation/parole)
- You were challenged at the polls for ID and your provisional ballot was rejected
Related Statutes & Laws
- Mo. Const. art. VIII
- Mo. Rev. Stat. § 115.133
- Mo. Rev. Stat. § 115.135
- Mo. Rev. Stat. § 115.427
- Mo. HB 1878 (2022)
This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.