30118 leans heavily Democratic by roughly 34 points: about 67% of voters vote Democratic and 33% Republican.
About 48% of adults in 30118 typically vote, below the U.S. average of about 62%. Among adults in 30118, ~32% vote Democratic, ~16% Republican, and ~52% don't vote. The map below shows estimated turnout by block group.
How 30118 compares
Among zip codes within 15 miles, 30118 is the most Democratic-leaning.
30118 runs about 36 points more Democratic than Georgia as a whole. Georgia is roughly evenly split, and 30118 sits clearly on the Democratic side.
Why 30118 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 30118, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 48% of adults in 30118 hold a bachelor's degree, about 19 points above the U.S. average of 28%. A high never-married share predicts Democratic voting, and about 91% of adults in 30118 have never been married, in the top fraction of zip codes. 30118 runs against the grain of Georgia, a Democratic-leaning outlier in a roughly evenly split state.
Renting and voter turnout
Places with renter-heavy households tend to turn out at a lower rate; 30118, GA sits in the top tenth nationally on this measure.
Why turnout in 30118 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 30118 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 85% of households in 30118 rent, compared to around 23% in nearby zip codes. Low high-school completion lines up with lower turnout, and more than 99% of adults in 30118 have completed high school, in the top fraction 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.