33813 leans heavily Republican by roughly 32 points: about 34% of voters vote Democratic and 66% Republican.
About 83% of adults in 33813 typically vote, above the U.S. average of about 62%. Among adults in 33813, ~28% vote Democratic, ~55% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How 33813 compares
Among zip codes within 15 miles, 33813 leans more Republican than 13 of 18 neighbors.
33813 runs about 19 points more Republican than Florida as a whole.
Politics vary noticeably by block within 33813. The north side is the most Republican-leaning (R+37) and the northwest side is the least Republican-leaning (R+19), a spread of about 17 points.
Why 33813 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 33813, not a ranked or complete list of what matters most.
33813 votes Republican even though it is densely developed (about 78%, well above the Florida average of 57%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 78% of households in 33813 are family households, above 87% of zip codes.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 33813, FL sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 33813 looks the way it does
Turnout in 33813 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Zip Codes
Zip Codes with Similar Populations
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.