30602 leans heavily Democratic by roughly 46 points: about 73% of voters vote Democratic and 27% Republican.
About 37% of adults in 30602 typically vote, below the U.S. average of about 62%. Among adults in 30602, ~27% vote Democratic, ~10% Republican, and ~63% don't vote. The map below shows estimated turnout by block group.
How 30602 compares
Among zip codes within 15 miles, 30602 leans more Democratic than 14 of 15 neighbors.
30602 runs about 49 points more Democratic than Georgia as a whole. Georgia is roughly evenly split, and 30602 sits clearly on the Democratic side.
Why 30602 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 30602, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 96% of residents in 30602 live in densely developed areas, about 60 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 96% of adults in 30602 have never been married, in the top fraction of zip codes. 30602 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; 30602, GA sits in the top tenth 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 30602 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 30602 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 49%, about 7 points below the Georgia average of 56%. Renters vote less often than owners, and more than 99% of households in 30602 rent, compared to around 43% in nearby zip codes. High food insecurity lines up with lower turnout, and about 26% of adults in 30602 report food insecurity, above 90% 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.