36003 is a true toss-up. About 52% of voters here vote Democratic and 48% Republican.
About 64% of adults in 36003 typically vote, near the U.S. average of about 62%. Among adults in 36003, ~33% vote Democratic, ~31% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How 36003 compares
Among zip codes within 15 miles, 36003 leans more Democratic than 4 of 5 neighbors.
36003 runs about 35 points more Democratic than Alabama as a whole. Alabama leans Republican overall, while 36003 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 36003. The northwest side runs the most Democratic (D+32) and the west side runs the most Republican (R+26), a spread of about 58 points.
Why 36003 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 36003, not a ranked or complete list of what matters most.
36003 votes against the grain of Alabama. Alabama leans Republican overall, while 36003 runs about 35 points more Democratic.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 36003, AL sits in the bottom tenth nationally 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 36003 looks the way it does
Homeowners vote more often than renters. About 91% of households in 36003 own their home, about 13 points above the Alabama average of 78%. 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.