30747 is a Republican stronghold. About 23% of voters here vote Democratic and 77% Republican.
About 64% of adults in 30747 typically vote, near the U.S. average of about 62%. Among adults in 30747, ~15% vote Democratic, ~49% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How 30747 compares
Among zip codes within 15 miles, 30747 is the least Republican-leaning.
30747 runs about 51 points more Republican than Georgia as a whole.
Politics vary noticeably by block within 30747. The northwest side is the most Republican-leaning (R+70) and the northeast side is the least Republican-leaning (R+46), a spread of about 24 points.
Why 30747 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 30747, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 88% of residents in 30747 drive to work alone, about 14 points above the U.S. average of 74%. Low college attainment predicts Republican voting, and 30747 sits in the bottom quarter (about 12%, below 90% of zip codes).
High-school completion and voter turnout
Places with low high-school-completion share tend to turn out at a lower rate; 30747, GA sits in the bottom tenth nationally on this measure.
Why turnout in 30747 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 30747 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 48%, about 8 points below the Georgia average of 56%. 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.