30204 leans Republican by roughly 24 points: about 38% of voters vote Democratic and 62% Republican.
About 71% of adults in 30204 typically vote, above the U.S. average of about 62%. Among adults in 30204, ~27% vote Democratic, ~44% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How 30204 compares
Among zip codes within 15 miles, 30204 leans more Republican than 2 of 8 neighbors.
30204 runs about 22 points more Republican than Georgia as a whole.
Politics vary noticeably by block within 30204. The southwest side is the most split-leaning (R+53) and the west side is the least split-leaning (Even), a spread of about 53 points.
Why 30204 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 30204, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 83% of residents in 30204 drive to work alone, about 10 points above the U.S. average of 74%.
Park access and Republican lean
Places with low park coverage tend to lean Republican; 30204, GA sits in the bottom quarter nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in 30204 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 30204 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. 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.