Find nonpartisan voter education and local coverage for Arizona. A summary of Arizona voting rules is below, and each county on the map has its own page.
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All 15 Arizona counties (A–Z)
Voting in Arizona
Voting rules are set by each state. This is a summary of Arizona voting rules, checked Nov. 4, 2026, from Vote.gov (U.S. government), the National Conference of State Legislatures (NCSL) and Ballotpedia. Rules and dates can change, so confirm with Arizona’s official election website or your local election office before each election.
Registering to vote
- Online: by 29 days before Election Day.
- By mail: must be postmarked 29 days before Election Day.
- In person: by 29 days before Election Day.
- Register or check your registration (Arizona on Vote.gov)
Primary elections
Arizona has semi-closed primaries: voters registered with a party vote in that party’s primary, and unaffiliated voters may choose one party’s primary.
Voter ID
Arizona requires an ID to vote in person, and some non-photo IDs are accepted. If you don’t have acceptable ID, you can vote a provisional ballot, but you must take extra steps after Election Day for it to count.
Early voting
Starts: Twenty-seven days before election. Ends: 7 p.m. Friday before election. Locations and hours are set locally.
Voting by mail
Any Arizona voter can request an absentee/mail ballot. No excuse is needed.
Your local election office
Find contact information for your local election office on Arizona’s official election website.
Sources: Vote.gov (registration deadlines); NCSL voter ID (updated Sept. 3, 2026), early voting (updated Aug. 11, 2026) and absentee voting (updated July 17, 2026); Ballotpedia primary types (as of Aug. 2026).