30102 leans Republican by roughly 18 points: about 41% of voters vote Democratic and 59% Republican.
About 76% of adults in 30102 typically vote, above the U.S. average of about 62%. Among adults in 30102, ~31% vote Democratic, ~45% Republican, and ~24% don't vote. The map below shows estimated turnout by block group.
How 30102 compares
Among zip codes within 15 miles, 30102 leans more Republican than 11 of 20 neighbors.
30102 runs about 16 points more Republican than Georgia as a whole.
Politics vary noticeably by block within 30102. The south side runs the most Democratic (D+5) and the northwest side runs the most Republican (R+48), a spread of about 53 points.
Why 30102 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 30102, not a ranked or complete list of what matters most.
30102 votes Republican even though it is densely developed (about 71%, far above the Georgia average of 26%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 74% of households in 30102 are family households, above 78% of zip codes.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 30102, GA sits in the top quarter nationally on this measure.
Why turnout in 30102 looks the way it does
Turnout in 30102 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.