33137 leans Democratic by roughly 18 points: about 59% of voters vote Democratic and 41% Republican.
About 46% of adults in 33137 typically vote, below the U.S. average of about 62%. Among adults in 33137, ~27% vote Democratic, ~19% Republican, and ~54% don't vote. The map below shows estimated turnout by block group.
How 33137 compares
Among zip codes within 15 miles, 33137 leans more Democratic than 48 of 67 neighbors.
33137 runs about 31 points more Democratic than Florida as a whole. Florida leans Republican overall, while 33137 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 33137. The northwest side is the most Democratic-leaning (D+59) and the south side is the least Democratic-leaning (D+8), a spread of about 51 points.
Why 33137 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 33137, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 52% of adults in 33137 hold a bachelor's degree, about 24 points above the U.S. average of 28%. Density combined with diversity predicts Democratic voting, and non-Hispanic white share in 33137 is about 25%, about 48 points below the U.S. average of 72%. A high never-married share predicts Democratic voting, and about 43% of adults in 33137 have never been married, above 91% of zip codes.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 33137, FL sits in the top tenth nationally on this measure.
Why turnout in 33137 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 33137 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The uninsured rate here is about 20%, about 5 points above the Florida average of 15%. Renters vote less often than owners, and about 68% of households in 33137 rent, about 43 points above the U.S. average of 25%. High-crime urban areas turn out at lower rates, and 33137 sits in the top 15% on a violent-crime measure. 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.