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Scan Check Protect walks you through verifying your Pennsylvania registration and flags anything that needs fixing — free.
Start at Scan Check Protect →Mercer County, Pennsylvania
Check your Mercer County registration.
Confirm what the commonwealth has on file first, then use Mercer County's official election channels below.
About Mercer County
Mercer County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 110,652. Its county seat is Mercer, and its largest city is Hermitage. The county is part of the Northwest Pennsylvania region of the state.
Description adapted from Wikipedia, CC BY-SA 4.0.
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Confirm you're ready to vote in Mercer County
Ask Mercer County directly
Your county election office handles registration, mail ballots, and polling places.
Mercer County election office →Official channels
Mercer County election resources
Mercer County election office · (724) 662-7542. Statewide tools and every Pennsylvania resource in one place: the Pennsylvania page at Scan Check Protect →
Part of Pennsylvania Voter Check
This is the Mercer County page of Pennsylvania Voter Check, a project of True the Vote, pointing Pennsylvania voters at the official tools that already exist — and at Scan Check Protect to verify your registration.
Where anything here differs from what Mercer County or the Pennsylvania Department of State publishes, they are right and this page is not.