30350 leans heavily Democratic by roughly 38 points: about 69% of voters vote Democratic and 31% Republican.
About 70% of adults in 30350 typically vote, above the U.S. average of about 62%. Among adults in 30350, ~49% vote Democratic, ~22% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How 30350 compares
Among zip codes within 15 miles, 30350 leans more Democratic than 33 of 51 neighbors.
30350 runs about 41 points more Democratic than Georgia as a whole. Georgia is roughly evenly split, and 30350 sits clearly on the Democratic side.
Politics vary noticeably by block within 30350. The southwest side runs the most Democratic (D+54) and the east side runs the most Republican (R+3), a spread of about 57 points.
Why 30350 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 30350, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 88% of residents in 30350 live in densely developed areas, about 51 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 30350 sits in the top quarter (about 60%, above 94% of zip codes). 30350 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; 30350, 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 30350 looks the way it does
Areas with high high-school completion turn out at higher rates. About 97% of adults in 30350 have completed high school, about 11 points above the Georgia average of 86%. 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.