Melbourne leans Republican by roughly 18 points: about 41% of voters vote Democratic and 59% Republican.
About 75% of adults in the Melbourne area typically vote, above the U.S. average of about 62%. Among adults in the Melbourne area, ~31% vote Democratic, ~44% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How Melbourne compares
Among cities within 25 miles, Melbourne leans more Republican than 4 of 21 neighbors.
Melbourne runs about 6 points more Republican than Florida as a whole.
Politics vary noticeably by neighborhood within Melbourne. 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 Melbourne leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Melbourne, not a ranked or complete list of what matters most.
Melbourne votes Republican even though it is densely developed (about 71%, modestly above the Florida average of 57%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Melbourne, FL sits in the top tenth nationally on this measure.
Why turnout in Melbourne looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Melbourne 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%, below 59% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Palm Shores, FL R+28
- Melbourne Village, FL R+29
- Indian Harbour Beach, FL R+26
- Satellite Beach, FL R+24
- West Melbourne, FL R+21
- Indialantic, FL R+21
- Patrick Afb, FL R+24
- Palm Bay, FL R+10
- Rockledge, FL R+17
- Malabar, FL R+40
Cities with Similar Populations
- Toledo, OH D+7
- Augusta, GA Even
- Jackson, MS D+8
- Harrisburg, PA R+2
- Chapel Hill, NC D+43
- Spokane, WA R+6
- Ogden, UT R+24
- Wichita, KS R+13
- Chattanooga, TN R+27
- Syracuse, NY D+10
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.