36904 leans Republican by roughly 22 points: about 39% of voters vote Democratic and 61% Republican.
About 57% of adults in 36904 typically vote, near the U.S. average of about 62%. Among adults in 36904, ~22% vote Democratic, ~35% Republican, and ~43% don't vote. The map below shows estimated turnout by block group.
How 36904 compares
Among zip codes within 15 miles, 36904 leans more Republican than 4 of 7 neighbors.
36904 runs about 8 points more Democratic than Alabama as a whole.
Politics vary noticeably by block within 36904. The southeast side runs the most Democratic (Even) and the southwest side runs the most Republican (R+59), a spread of about 59 points.
Why 36904 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 36904, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 5% of residents in 36904 live in densely developed areas, about 14 points below the Alabama average of 19%.
Park access and Republican lean
Places with low park coverage tend to lean Republican; 36904, AL sits in the bottom tenth nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in 36904 looks the way it does
Areas with high food insecurity turn out at lower rates. About 26% of adults in 36904 report food insecurity, about 9 points above the U.S. average of 16%. Limited routine healthcare access lines up with lower turnout, and 36904 sits in the bottom quarter on routine-care measures. 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.