31204 is a Democratic stronghold. About 76% of voters here vote Democratic and 24% Republican.
About 62% of adults in 31204 typically vote, near the U.S. average of about 62%. Among adults in 31204, ~47% vote Democratic, ~15% Republican, and ~38% don't vote. The map below shows estimated turnout by block group.
How 31204 compares
Among zip codes within 15 miles, 31204 leans more Democratic than 13 of 16 neighbors.
31204 runs about 54 points more Democratic than Georgia as a whole. Georgia is roughly evenly split, and 31204 sits clearly on the Democratic side.
Politics vary noticeably by block within 31204. The south side is the most Democratic-leaning (D+87) and the north side is the least Democratic-leaning (D+3), a spread of about 84 points.
Why 31204 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 31204, not a ranked or complete list of what matters most.
Density combined with diversity predicts Democratic voting. Non-Hispanic white share in 31204 is about 27%, about 45 points below the U.S. average of 72%. A high never-married share predicts Democratic voting, and about 48% of adults in 31204 have never been married, above 94% of zip codes. 31204 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; 31204, GA sits in the top quarter nationally on this measure.
Why turnout in 31204 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 31204 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 47%, about 9 points below the Georgia average of 56%. Renters vote less often than owners, and about 55% of households in 31204 rent, compared to around 39% in nearby zip codes. High food insecurity lines up with lower turnout, and about 37% of adults in 31204 report food insecurity, above 97% 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.