33613 leans Democratic by roughly 20 points: about 60% of voters vote Democratic and 40% Republican.
About 43% of adults in 33613 typically vote, below the U.S. average of about 62%. Among adults in 33613, ~26% vote Democratic, ~17% Republican, and ~57% don't vote. The map below shows estimated turnout by block group.
How 33613 compares
Among zip codes within 15 miles, 33613 leans more Democratic than 32 of 39 neighbors.
33613 runs about 34 points more Democratic than Florida as a whole. Florida leans Republican overall, while 33613 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 33613. The south side runs the most Democratic (D+36) and the west side runs the most Republican (R+12), a spread of about 48 points.
Why 33613 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 33613, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 92% of residents in 33613 live in densely developed areas, about 56 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 53% of adults in 33613 have never been married, above 96% of zip codes. 33613 runs against the grain of Florida, a Democratic-leaning pocket in a Republican-leaning state.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 33613, FL sits in the bottom tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in 33613 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 33613 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 46%, about 10 points below the Florida average of 56%. Renters vote less often than owners, and about 68% of households in 33613 rent, compared to around 46% in nearby zip codes. 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.