33578 leans slightly Democratic by roughly 12 points: about 56% of voters vote Democratic and 44% Republican.
About 64% of adults in 33578 typically vote, near the U.S. average of about 62%. Among adults in 33578, ~36% vote Democratic, ~28% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How 33578 compares
Among zip codes within 15 miles, 33578 leans more Democratic than 24 of 35 neighbors.
33578 runs about 25 points more Democratic than Florida as a whole. Florida leans Republican overall, while 33578 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 33578. The north side runs the most Democratic (D+23) and the east side runs the most Republican (Even), a spread of about 24 points.
Why 33578 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 33578, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 78% of residents in 33578 live in densely developed areas, about 41 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 33578 sits in the top quarter (about 37%, above 78% of zip codes). 33578 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; 33578, 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 33578 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 33578 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. 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.