31020 leans slightly Republican by roughly 14 points: about 43% of voters vote Democratic and 57% Republican.
About 78% of adults in 31020 typically vote, above the U.S. average of about 62%. Among adults in 31020, ~34% vote Democratic, ~44% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How 31020 compares
Among zip codes within 15 miles, 31020 leans more Republican than 11 of 14 neighbors.
31020 runs about 12 points more Republican than Georgia as a whole.
Politics vary noticeably by block within 31020. The northwest side runs the most Democratic (D+15) and the northeast side runs the most Republican (R+67), a spread of about 82 points.
Why 31020 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 31020, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 12% of adults in 31020 hold a bachelor's degree, about 12 points below the Georgia average of 24%.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; 31020, GA sits in the top quarter nationally on this measure.
Why turnout in 31020 looks the way it does
Homeowners vote more often than renters. About 90% of households in 31020 own their home, about 17 points above the Georgia average of 73%. Limited routine healthcare access lines up with lower turnout, and 31020 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 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.