30170 is a Republican stronghold. About 13% of voters here vote Democratic and 87% Republican.
About 77% of adults in 30170 typically vote, above the U.S. average of about 62%. Among adults in 30170, ~10% vote Democratic, ~67% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.
How 30170 compares
Among zip codes within 15 miles, 30170 leans more Republican than 5 of 8 neighbors.
30170 runs about 72 points more Republican than Georgia as a whole.
Why 30170 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 30170, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 85% of residents in 30170 drive to work alone, about 11 points above the U.S. average of 74%. A high family-household share predicts Republican voting, and about 78% of households in 30170 are family households, above 89% of zip codes.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 30170, GA sits below the national average 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 30170 looks the way it does
Turnout in 30170 sits close to the national pattern. 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.