30363 is a Democratic stronghold. About 79% of voters here vote Democratic and 21% Republican.
About 59% of adults in 30363 typically vote, near the U.S. average of about 62%. Among adults in 30363, ~47% vote Democratic, ~12% Republican, and ~41% don't vote. The map below shows estimated turnout by block group.
How 30363 compares
Among zip codes within 15 miles, 30363 leans more Democratic than 35 of 67 neighbors.
30363 runs about 61 points more Democratic than Georgia as a whole. Georgia is roughly evenly split, and 30363 sits clearly on the Democratic side.
Why 30363 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 30363, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 87% of adults in 30363 hold a bachelor's degree, about 59 points above the U.S. average of 28%. Dense areas vote Democratic, and 30363 sits in the top fifth on density (more than 99%, in the top fraction of zip codes). 30363 runs against the grain of Georgia, a Democratic-leaning outlier in a roughly evenly split state.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 30363, GA sits in the top tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 30363 looks the way it does
Renters vote less often than owners. About 55% of households in 30363 rent, about 31 points above the U.S. average of 25%. High-crime urban areas turn out at lower rates, and 30363 sits in the top 15% on a violent-crime measure. 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.