35405 leans Democratic by roughly 26 points: about 63% of voters vote Democratic and 37% Republican.
About 59% of adults in 35405 typically vote, near the U.S. average of about 62%. Among adults in 35405, ~37% vote Democratic, ~22% Republican, and ~41% don't vote. The map below shows estimated turnout by block group.
How 35405 compares
Among zip codes within 15 miles, 35405 leans more Democratic than 13 of 14 neighbors.
35405 runs about 56 points more Democratic than Alabama as a whole. Alabama leans Republican overall, while 35405 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 35405. The northwest side runs the most Democratic (D+71) and the southeast side runs the most Republican (R+51), a spread of about 122 points.
Why 35405 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 35405, not a ranked or complete list of what matters most.
Density combined with diversity predicts Democratic voting. Non-Hispanic white share in 35405 is about 37%, about 36 points below the U.S. average of 72%. A high never-married share predicts Democratic voting, and about 41% of adults in 35405 have never been married, above 88% of zip codes. 35405 runs against the grain of Alabama, 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; 35405, AL sits below the national average 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 35405 looks the way it does
Renters vote less often than owners. About 42% of households in 35405 rent, about 17 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 23% of adults in 35405 report food insecurity, above 86% 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.