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Start at Scan Check Protect →Maricopa County, Arizona
Check your Maricopa County registration.
Confirm what Arizona has on file first, then use Maricopa County's official election channels below.
About Maricopa County
Maricopa County is a county in the south-central part of the U.S. state of Arizona. As of the 2020 census the population was 4,420,568, or about 62% of the state's total, making it the fourth-most populous county in the United States and the most populous county in Arizona, and making Arizona one of the nation's most centralized states. The county seat is Phoenix, the state capital and fifth-most populous city in the United States.
Description adapted from Wikipedia, CC BY-SA 4.0.
At a glance
Maricopa County at a glance
- County seat
- Phoenix
- Population
- 4,420,568 (2020)
- Land area
- 9,224 sq mi
- Founded
- 1871
Communities
Largest communities in Maricopa County
- Phoenix county seat1,608,139
- Mesa504,258
- Chandler275,987
- Gilbert267,918
- Glendale248,325
History of Maricopa County
Maricopa County is the central county of the Phoenix–Mesa–Chandler Metropolitan Statistical Area. The Office of Management and Budget renamed the metropolitan area in September 2018. Previously, it was the Phoenix–Mesa–Glendale metropolitan area, and in 2000, that was changed to Phoenix–Mesa–Scottsdale. Maricopa County was named after the Maricopa people. Five Indian reservations are located in the county. The largest are the Salt River Pima–Maricopa Indian Community (east of Scottsdale) and the Gila River Indian Community (south of Chandler).
Adapted from Wikipedia, CC BY-SA 4.0.
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Maricopa County election office →Official channels
Maricopa County election resources
Maricopa County election office. Statewide tools and every Arizona resource in one place: the Arizona page at Scan Check Protect →
Part of Arizona Voter Check
This is the Maricopa County page of Arizona Voter Check, a project of True the Vote, pointing Arizona voters at the official tools that already exist — and at Scan Check Protect to verify your registration.
Where anything here differs from what Maricopa County or Arizona Secretary of State publishes, they are right and this page is not.