Justice Department Sues California Over Alleged Noncitizen Voter Registrations

The U.S. Justice Department, together with the Department of Homeland Security, filed a federal complaint on Oct. 15 against the State of California. Prosecutors say the state’s voter list includes over 20,000 people who are likely aliens and therefore ineligible to vote in federal elections.

Attorney General Todd Blanche called the alleged state‑facilitated fraud “unacceptable,” while DHS Secretary Markwayne Mullin said even a single noncitizen vote “cancels out” an American’s ballot. The complaint claims California officials knowingly allowed these registrations and refused to remove them or sequester suspect ballots.

What the lawsuit alleges

The complaint says California election officials were given a chance to purge noncitizens from voter rolls and to set aside ballots from suspected ineligible voters, but they declined. Federal investigators used publicly available voter‑registration files and matched them with immigration data to identify likely noncitizens.

Legal implications for Californians

If a court finds California responsible, the state could be ordered to clean its voter rolls and take steps to prevent future noncitizen registrations. The lawsuit does not name individual voters; it targets the state’s administrative processes. For ordinary voters, the case could mean stricter verification of citizenship when registering.

What this means for ordinary people

Anyone who is a U.S. citizen and currently registered to vote in California should ensure their citizenship status is correctly documented. Noncitizens who believe they have been mistakenly registered may be contacted by election officials for clarification. No specific deadlines are mentioned in the complaint, but the case is now in federal court, so any required actions could follow a court order.

When to consider legal help

If you receive notice that your registration is under review or you are asked to provide proof of citizenship, consulting an immigration or election law attorney can help protect your voting rights and ensure compliance with federal law.

This article is general information based on U.S. Department of Justice and court or agency records available at publication time. It is not legal advice; laws and deadlines differ by state and by case. Published October 16, 2026.