31903 is a Democratic stronghold. About 84% of voters here vote Democratic and 16% Republican.
About 47% of adults in 31903 typically vote, below the U.S. average of about 62%. Among adults in 31903, ~40% vote Democratic, ~7% Republican, and ~53% don't vote. The map below shows estimated turnout by block group.
How 31903 compares
Among zip codes within 15 miles, 31903 is the most Democratic-leaning.
31903 runs about 71 points more Democratic than Georgia as a whole. Georgia is roughly evenly split, and 31903 sits clearly on the Democratic side.
Politics vary noticeably by block within 31903. The northeast side is the most Democratic-leaning (D+83) and the west side is the least Democratic-leaning (D+41), a spread of about 41 points.
Why 31903 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 31903, not a ranked or complete list of what matters most.
Density combined with diversity predicts Democratic voting. Non-Hispanic white share in 31903 is about 13%, about 60 points below the U.S. average of 72%. A high never-married share predicts Democratic voting, and about 49% of adults in 31903 have never been married, above 95% of zip codes. 31903 runs against the grain of Georgia, a Democratic-leaning outlier in a roughly evenly split state.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 31903, GA sits in the top quarter nationally on this measure.
Why turnout in 31903 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 31903 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 37%, about 18 points below the Georgia average of 56%. Renters vote less often than owners, and about 70% of households in 31903 rent, compared to around 48% in nearby zip codes. High food insecurity lines up with lower turnout, and about 48% of adults in 31903 report food insecurity, in the top fraction 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.