Miami-Dade County Voter Registration
Miami-Dade County is Florida's largest county by registered voters with over 1.2 million active registrations. As the state's most populous and diverse county, its voter registration trends are a bellwether for statewide shifts in party affiliation and demographic change across South Florida.
Key Insights
Insight
Miami-Dade is one of the most politically competitive large counties in Florida, with significant representation across all party affiliations.
Insight
The county's Hispanic and Latino voter population is one of the largest in the United States, shaping both local and national election strategies.
Insight
Miami-Dade's voter registration trends often diverge from statewide patterns, reflecting its unique demographic and cultural composition.
Registration Trend
Active voter registration has declined by 16.7% since May 2025, a net change of -256,798 voters.
Party Leadership
Republican voters lead with 450,467 registrations, a margin of 28,177 (2.2%) over Other/NPA voters.
Fastest Moving Party
Republican registration is the fastest declining party at -9.3% since May 2025.
Largest Age Group
The 56-65 age group is the largest voting bloc with 228,540 voters (17.8% of active registrations).
Party Switching
Republican voters have seen a net gain of 2,716 voters through party switches over the tracked period.