Duval County Voter Registration
Duval County, home to Jacksonville, is Florida's largest county by land area and one of its most politically competitive with over 630,000 active voters. The consolidated city-county government and its mix of urban, suburban, and military communities create a dynamic and closely watched electorate.
Key Insights
Insight
Duval County has shifted from reliably Republican to increasingly competitive in recent election cycles, making it one of the most watched counties in the state.
Insight
Jacksonville's large military presence (Naval Station Mayport, NAS Jacksonville) contributes a significant and distinct voter population.
Insight
As a consolidated city-county, Duval's voter registration data reflects both urban and suburban dynamics within a single jurisdiction.
Registration Trend
Active voter registration has declined by 3.1% since May 2025, a net change of -20,069 voters.
Party Leadership
Democratic voters lead with 238,922 registrations, a margin of 4,531 (0.7%) over Republican voters.
Fastest Moving Party
Republican registration is the fastest declining party at -2.1% since May 2025.
Largest Age Group
The 26-35 age group is the largest voting bloc with 112,866 voters (17.7% of active registrations).
Party Switching
Republican voters have seen a net gain of 645 voters through party switches over the tracked period.