30329 leans heavily Democratic by roughly 48 points: about 74% of voters vote Democratic and 26% Republican.
About 60% of adults in 30329 typically vote, near the U.S. average of about 62%. Among adults in 30329, ~44% vote Democratic, ~16% Republican, and ~40% don't vote. The map below shows estimated turnout by block group.
How 30329 compares
Among zip codes within 15 miles, 30329 leans more Democratic than 29 of 69 neighbors.
30329 runs about 49 points more Democratic than Georgia as a whole. Georgia is roughly evenly split, and 30329 sits clearly on the Democratic side.
Politics vary noticeably by block within 30329. The west side is the most Democratic-leaning (D+56) and the southeast side is the least Democratic-leaning (D+39), a spread of about 17 points.
Why 30329 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 30329, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 59% of adults in 30329 hold a bachelor's degree, about 31 points above the U.S. average of 28%. Dense areas vote Democratic, and 30329 sits in the top fifth on density (about 96%, above 92% of zip codes). 30329 runs against the grain of Georgia, a Democratic-leaning outlier in a roughly evenly split state.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; 30329, GA sits in the top quarter nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in 30329 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 30329 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 66% of households in 30329 rent, about 41 points above the U.S. average of 25%. Crowded housing lines up with lower turnout, and about 5% of homes in 30329 have more than one occupant per room, above 87% 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.