30328 leans Democratic by roughly 24 points: about 62% of voters vote Democratic and 38% Republican.
About 76% of adults in 30328 typically vote, above the U.S. average of about 62%. Among adults in 30328, ~47% vote Democratic, ~29% Republican, and ~24% don't vote. The map below shows estimated turnout by block group.
How 30328 compares
Among zip codes within 15 miles, 30328 leans more Democratic than 17 of 63 neighbors.
30328 runs about 27 points more Democratic than Georgia as a whole. Georgia is roughly evenly split, and 30328 sits clearly on the Democratic side.
Politics vary noticeably by block within 30328. The north side runs the most Democratic (D+36) and the southwest side runs the most Republican (Even), a spread of about 37 points.
Why 30328 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 30328, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 71% of adults in 30328 hold a bachelor's degree, about 43 points above the U.S. average of 28%. Dense areas vote Democratic, and 30328 sits in the top fifth on density (about 96%, above 92% of zip codes). 30328 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; 30328, GA sits in the top quarter nationally on this measure.
Why turnout in 30328 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 30328 is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 72%, about 12 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 97% of adults in 30328 have completed high school, above 88% 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.