Colorado voters’ most sensitive registration details will stay out of the Trump administration’s hands after a federal judge rejected the Justice Department’s demand for the state’s unredacted voter rolls. The decision closes one front in a nationwide fight over how far Washington can go to inspect state election databases.
U.S. District Judge Philip A. Brimmer dismissed the case against Colorado Secretary of State Jena Griswold, ruling that the federal law cited by the administration did not cover the voter rolls it sought, according to The Denver Post. The case was dismissed with prejudice, meaning the Justice Department cannot simply refile the same lawsuit.
What The Justice Department Wanted From Colorado
The Justice Department sued in December after Griswold’s office refused to turn over a complete electronic copy of Colorado’s statewide voter registration list. The department’s complaint sought fields including voters’ names, birth dates, residential addresses, driver’s license numbers, last four Social Security digits or Help America Vote Act identification numbers, as outlined in the DOJ’s lawsuit.
Federal officials argued that the information was needed to examine Colorado’s compliance with voter-list maintenance requirements under the National Voter Registration Act and HAVA, while Colorado provided only the public version of its rolls. The broader dispute centers on whether federal election-record laws allow the government to demand sensitive personal information that states normally keep shielded.
Why The Judge Rejected The Federal Demand
Brimmer concluded that Colorado’s voter rolls were not the kind of records covered by the Civil Rights Act provision the Justice Department invoked. He also found that the administration’s interpretation could collide with other election statutes that require states to update and maintain their voter databases, a conflict the judge said would produce an untenable result, The Denver Post reported.
Griswold said the administration had no right to obtain Coloradans’ sensitive voter information. Civil-rights groups had warned that releasing the data could expose voters to privacy risks, aggressive challenges or voter-roll purges, concerns detailed by the ACLU’s case summary.
Colorado Joins A Growing List Of Federal Court Losses
The Colorado case is part of an unusual national campaign that began in 2025, when the Justice Department started seeking unredacted voter databases from states. The National Conference of State Legislatures says the department filed lawsuits against 30 states and Washington, D.C., after many officials declined to provide records containing personal information, leaving courts to define the limits of federal authority.
As more judges reject the administration’s demands, the fight is becoming less about one state’s voter file and more about who controls the nation’s election infrastructure. For Colorado voters, the immediate result is straightforward: the state’s public voter rolls remain available, but the private identifiers sought by the Justice Department remain off-limits.
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