30625 is a Republican stronghold. About 19% of voters here vote Democratic and 81% Republican.
About 85% of adults in 30625 typically vote, above the U.S. average of about 62%. Among adults in 30625, ~16% vote Democratic, ~69% Republican, and ~15% don't vote. The map below shows estimated turnout by block group.
How 30625 compares
Among zip codes within 15 miles, 30625 is the most Republican-leaning.
30625 runs about 61 points more Republican than Georgia as a whole.
Politics vary noticeably by block within 30625. The west side is the most Republican-leaning (R+71) and the southeast side is the least Republican-leaning (R+53), a spread of about 18 points.
Why 30625 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 30625, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 79% of households in 30625 are family households, about 13 points above the U.S. average of 67%.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 30625, GA sits in the bottom quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 30625 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 30625 is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 63%, about 7 points above the Georgia average of 56%. Homeowners vote more often than renters, and about 88% of households in 30625 own their home, above 80% of zip codes. High high-school completion lines up with higher turnout, and about 96% of adults in 30625 have completed high school, above 83% 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.