Brevard County leans Republican by roughly 18 points: about 41% of voters vote Democratic and 59% Republican.
About 75% of adults in Brevard County typically vote, above the U.S. average of about 62%. Among adults in Brevard County, ~31% vote Democratic, ~44% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How Brevard County compares
Among counties within 50 miles, Brevard County leans more Republican than 3 of 4 neighbors.
Brevard County runs about 6 points more Republican than Florida as a whole.
Politics vary noticeably by city within Brevard County. The north side is the most Republican-leaning (R+25) and the southwest side is the least Republican-leaning (R+4), a spread of about 21 points.
Why Brevard County leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Brevard County, not a ranked or complete list of what matters most.
Brevard County votes Republican even though it is densely developed (about 71%, modestly above the Florida average of 57%). Here an older population outweighs the Democratic lean that density usually predicts.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Brevard County, FL sits in the top quarter nationally on this measure.
Why turnout in Brevard County looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Brevard County is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 59%, modestly below similar-sized counties (around 65%). Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Indian River County, FL R+21
- Osceola County, FL Even
- Orange County, FL D+14
- Seminole County, FL R+5
- Volusia County, FL R+17
- St. Lucie County, FL R+5
- Okeechobee County, FL R+46
- Polk County, FL R+18
- Highlands County, FL R+33
- Lake County, FL R+25
Counties with Similar Populations
- Williamson County, TX Even
- Johnson County, KS D+9
- Washington County, OR D+32
- Montgomery County, TX R+35
- Anne Arundel County, MD D+17
- Baltimore City, MD D+72
- Douglas County, NE D+17
- Jefferson County, CO D+18
- Bristol County, MA Even
- Delaware County, PA D+27
Sources and methodology
Precinct-level voting records used to fit the model come from Florida Division of Elections, distributed by the Voting and Election Science Team. Demographic inputs come from the U.S. Census Bureau (ACS 5-year estimates and the 2020 Decennial Census). Health and environmental inputs come from the CDC (PLACES and the Environmental Justice Index). Land cover comes from the USGS and EPA. Election-day and lead-up weather come from PRISM 4km daily grids and the NOAA Global Historical Climatology Network. Mail-voting and election-administration patterns come from the MIT Election Lab's Survey of the Performance of American Elections. Block-group crime detail comes from CrimeGrade. Internet data and modeling support provided by ISPreports.org.
Modeling and analysis by the BestNeighborhood data science team. Full methodology and findings: political spectrum map.
Methodology reviewed by the BestNeighborhood data team. Last updated May 2026.