31408 leans heavily Democratic by roughly 32 points: about 66% of voters vote Democratic and 34% Republican.
About 54% of adults in 31408 typically vote, below the U.S. average of about 62%. Among adults in 31408, ~36% vote Democratic, ~18% Republican, and ~46% don't vote. The map below shows estimated turnout by block group.
How 31408 compares
Among zip codes within 15 miles, 31408 leans more Democratic than 14 of 18 neighbors.
31408 runs about 34 points more Democratic than Georgia as a whole. Georgia is roughly evenly split, and 31408 sits clearly on the Democratic side.
Politics vary noticeably by block within 31408. The southeast side runs the most Democratic (D+76) and the west side runs the most Republican (R+35), a spread of about 111 points.
Why 31408 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 31408, not a ranked or complete list of what matters most.
Density combined with diversity predicts Democratic voting. Non-Hispanic white share in 31408 is about 32%, about 40 points below the U.S. average of 72%. A high never-married share predicts Democratic voting, and about 53% of adults in 31408 have never been married, above 96% of zip codes. 31408 runs against the grain of Georgia, a Democratic-leaning outlier in a roughly evenly split state.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 31408, GA sits in the bottom quarter 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 31408 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 31408 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 62% of households in 31408 rent, about 37 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 30% of adults in 31408 report food insecurity, above 94% 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 Georgia Elections Division, 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.