35215 is a Democratic stronghold. About 83% of voters here vote Democratic and 17% Republican.
About 60% of adults in 35215 typically vote, near the U.S. average of about 62%. Among adults in 35215, ~50% vote Democratic, ~10% Republican, and ~40% don't vote. The map below shows estimated turnout by block group.
How 35215 compares
Among zip codes within 15 miles, 35215 leans more Democratic than 28 of 36 neighbors.
35215 runs about 97 points more Democratic than Alabama as a whole. Alabama leans Republican overall, while 35215 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 35215. The west side runs the most Democratic (D+77) and the northwest side runs the most Republican (R+18), a spread of about 94 points.
Why 35215 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 35215, not a ranked or complete list of what matters most.
Density combined with diversity predicts Democratic voting. Non-Hispanic white share in 35215 is about 16%, about 56 points below the U.S. average of 72%. A high never-married share predicts Democratic voting, and about 43% of adults in 35215 have never been married, above 90% of zip codes. 35215 runs against the grain of Alabama, a Democratic-leaning pocket in a Republican-leaning state.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 35215, AL sits in the top quarter nationally on this measure.
Why turnout in 35215 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 35215 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 48%, about 6 points below the Alabama average of 54%. Renters vote less often than owners, and about 43% of households in 35215 rent, about 18 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 36% of adults in 35215 report food insecurity, above 97% of 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 Alabama Secretary of State, 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.