35127 leans heavily Democratic by roughly 42 points: about 71% of voters vote Democratic and 29% Republican.
About 78% of adults in 35127 typically vote, above the U.S. average of about 62%. Among adults in 35127, ~55% vote Democratic, ~23% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How 35127 compares
Among zip codes within 15 miles, 35127 leans more Democratic than 19 of 38 neighbors.
35127 runs about 72 points more Democratic than Alabama as a whole. Alabama leans Republican overall, while 35127 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 35127. The south side is the most Democratic-leaning (D+65) and the northwest side is the least Democratic-leaning (D+20), a spread of about 45 points.
Why 35127 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 35127, not a ranked or complete list of what matters most.
Density combined with diversity predicts Democratic voting. Non-Hispanic white share in 35127 is about 29%, about 43 points below the U.S. average of 72%. 35127 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; 35127, AL sits above the national average on this measure.
Why turnout in 35127 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 35127 is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 62%, about 8 points above the Alabama average of 54%. 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.