The U.S. Department of Justice (DOJ) has issued letters to California county election officials demanding they sequester ballots from approximately 20,000 voters the federal government identifies as suspected noncitizens. The letters, delivered Friday, October 23, 2026, set a 48-hour deadline for local registrars to provide sensitive voter information, including Social Security numbers. Federal officials stated they are not requesting a purge of voter rolls but are seeking to ensure the security of the upcoming midterm elections.
This demand follows a lawsuit filed by the DOJ on October 15, 2026, which sought to bar California from counting mail-in ballots from individuals the federal government believes are not citizens. While it is illegal for noncitizens to vote, election experts and previous investigations indicate the practice is rare. In a separate action on Monday, October 19, 2026, federal authorities charged 28 people from the list of 20,000 with illegally registering to vote, some of whom were also charged with illegal voting and lying on naturalization paperwork.
Local election officials and the California attorney general’s office have raised concerns about the accuracy of the federal data and the timing of the demand. In Napa County, Registrar John Tuteur reported receiving a list of 42 names out of 86,000 registered voters, while Amador County received four names. Tuteur and other officials stated they would continue counting ballots as scheduled. The California attorney general’s office noted the letters contained errors, such as listing non-residents for Mendocino County. A preliminary analysis in Los Angeles County found that 40% of a 200-name sample had already canceled registrations, and nearly 40% were born in the U.S.
The concrete day-to-day impact for voters on the list is that their ballots may be set aside and not included in initial tallies while their citizenship status is debated. For local registrars, the demand requires immediate administrative labor to cross-reference federal lists against local rolls within a two-day window during active ballot counting. A registrar in Napa County reported that roughly 11,000 people had already cast mail-in ballots by the time the order arrived. The scale of the federal investigation involves 20,000 names statewide out of California’s 23 million registered voters, which translates to roughly 0.08% of the total electorate.
The knock-on effects include potential delays in certifying results if large numbers of ballots are sequestered and challenged in court. The situation sets a precedent for federal intervention in state-managed election tallies just days before an election. The legal dispute moved to the 9th Circuit Court of Appeals, where a panel of judges was scheduled to hear arguments on Sunday, October 25, 2026. The final outcome of whether the state must comply with the sequestration demand depends on the court's ruling, which will influence how ballots are handled through the November 3 election.