Lake County Voter Registration
Monthly voter registration tracking for Lake County from May 2025 to Feb 2026. Active voters have decreased by 8,967. Republican voters lead with 129,883. Active voter counts may fluctuate month-to-month due to routine maintenance activities including the removal of inactive voters, deceased individuals, and duplicate registrations.
Key Insights
Registration Trend
Active voter registration has declined by 3.2% since May 2025, a net change of -8,967 voters.
Party Leadership
Republican voters lead with 129,883 registrations, a margin of 55,841 (20.6%) over Other/NPA voters.
Fastest Moving Party
Republican registration is the fastest declining party at -1.5% since May 2025.
Largest Age Group
The 66-75 age group is the largest voting bloc with 51,969 voters (19.2% of active registrations).
Party Switching
Republican voters have seen a net gain of 372 voters through party switches over the tracked period.