30458 leans slightly Democratic by roughly 8 points: about 54% of voters vote Democratic and 46% Republican.
About 58% of adults in 30458 typically vote, near the U.S. average of about 62%. Among adults in 30458, ~31% vote Democratic, ~27% Republican, and ~42% don't vote. The map below shows estimated turnout by block group.
How 30458 compares
Among zip codes within 15 miles, 30458 is the most Democratic-leaning.
30458 runs about 10 points more Democratic than Georgia as a whole.
Politics vary noticeably by block within 30458. The northeast side runs the most Democratic (D+31) and the northwest side runs the most Republican (R+34), a spread of about 65 points.
Why 30458 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 30458, not a ranked or complete list of what matters most.
Areas with many never-married adults vote Democratic. About 59% of adults in 30458 have never been married, well above similar-sized zip codes (around 34%).
Population density and Democratic lean
Places with high population density tend to lean Democratic; 30458, GA sits in the top quarter nationally on this measure.
Why turnout in 30458 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 30458 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 30458 rent, compared to around 30% in nearby zip codes. High food insecurity lines up with lower turnout, and about 23% of adults in 30458 report food insecurity, above 85% 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.