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Scan Check Protect walks you through verifying your Wisconsin registration and flags anything that needs fixing — free.
Start at Scan Check Protect →Rock County, Wisconsin
Check your Rock County registration.
Confirm what Wisconsin has on file first, then use Rock County's official election channels below.
About Rock County
Rock County is a county in the U.S. state of Wisconsin. As of the 2020 census, the population was 163,687. Its county seat is Janesville. Rock County comprises the Janesville–Beloit metropolitan statistical area and is included in the Madison–Janesville–Beloit combined statistical area.
Description adapted from Wikipedia, CC BY-SA 4.0.
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Ask Rock County directly
Your county election office handles registration, mail ballots, and polling places.
Rock County election office →Official channels
Rock County election resources
Rock County election office. Statewide tools and every Wisconsin resource in one place: the Wisconsin page at Scan Check Protect →
Part of Wisconsin Voter Check
This is the Rock County page of Wisconsin Voter Check, a project of True the Vote, pointing Wisconsin voters at the official tools that already exist — and at Scan Check Protect to verify your registration.
Where anything here differs from what Rock County or Wisconsin Elections Commission publishes, they are right and this page is not.