33637 leans Democratic by roughly 20 points: about 60% of voters vote Democratic and 40% Republican.
About 55% of adults in 33637 typically vote, below the U.S. average of about 62%. Among adults in 33637, ~33% vote Democratic, ~22% Republican, and ~45% don't vote. The map below shows estimated turnout by block group.
How 33637 compares
Among zip codes within 15 miles, 33637 leans more Democratic than 35 of 43 neighbors.
33637 runs about 33 points more Democratic than Florida as a whole. Florida leans Republican overall, while 33637 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 33637. The northwest side runs the most Democratic (D+36) and the southeast side runs the most Republican (R+31), a spread of about 66 points.
Why 33637 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 33637, not a ranked or complete list of what matters most.
Density combined with diversity predicts Democratic voting. Non-Hispanic white share in 33637 is about 34%, about 39 points below the U.S. average of 72%. A high never-married share predicts Democratic voting, and about 43% of adults in 33637 have never been married, above 91% of zip codes. 33637 runs against the grain of Florida, a Democratic-leaning pocket in a Republican-leaning state.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 33637, 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 33637 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 33637 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 55% of households in 33637 rent, about 30 points above the U.S. average of 25%. 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.