34420 leans heavily Republican by roughly 40 points: about 30% of voters vote Democratic and 70% Republican.
About 76% of adults in 34420 typically vote, above the U.S. average of about 62%. Among adults in 34420, ~23% vote Democratic, ~53% Republican, and ~24% don't vote. The map below shows estimated turnout by block group.
How 34420 compares
Among zip codes within 15 miles, 34420 leans more Republican than 14 of 18 neighbors.
34420 runs about 28 points more Republican than Florida as a whole.
Politics vary noticeably by block within 34420. The southwest side is the most Republican-leaning (R+45) and the northeast side is the least Republican-leaning (R+33), a spread of about 12 points.
Why 34420 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 34420, not a ranked or complete list of what matters most.
34420 votes Republican even though it is densely developed (about 62%, modestly above the Florida average of 57%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; 34420, FL sits above the national average on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 34420 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 34420 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.