35131 is a Republican stronghold. About 10% of voters here vote Democratic and 90% Republican.
About 73% of adults in 35131 typically vote, above the U.S. average of about 62%. Among adults in 35131, ~7% vote Democratic, ~66% Republican, and ~27% don't vote. The map below shows estimated turnout by block group.
How 35131 compares
Among zip codes within 15 miles, 35131 leans more Republican than 9 of 10 neighbors.
35131 runs about 50 points more Republican than Alabama as a whole.
Politics vary noticeably by block within 35131. The west side is the most Republican-leaning (R+87) and the north side is the least Republican-leaning (R+74), a spread of about 13 points.
Why 35131 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 35131, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 11% of adults in 35131 hold a bachelor's degree, about 9 points below the Alabama average of 20%.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 35131, AL sits below the national average on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in 35131 looks the way it does
Turnout in 35131 sits close to the national pattern. 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.