30412 is a Republican stronghold. About 20% of voters here vote Democratic and 80% Republican.
About 81% of adults in 30412 typically vote, above the U.S. average of about 62%. Among adults in 30412, ~16% vote Democratic, ~65% Republican, and ~19% don't vote. The map below shows estimated turnout by block group.
How 30412 compares
Among zip codes within 15 miles, 30412 leans more Republican than 5 of 6 neighbors.
30412 runs about 58 points more Republican than Georgia as a whole.
Why 30412 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 30412, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 96% of residents in 30412 drive to work alone, about 22 points above the U.S. average of 74%. A high family-household share predicts Republican voting, and about 82% of households in 30412 are family households, above 94% of zip codes.
Park access and Republican lean
Places with low park coverage tend to lean Republican; 30412, GA sits in the bottom tenth nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in 30412 looks the way it does
Homeowners vote more often than renters. About 93% of households in 30412 own their home, about 20 points above the Georgia average of 73%. Limited routine healthcare access lines up with lower turnout, and 30412 sits in the bottom quarter on routine-care measures. 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.