30575 leans heavily Republican by roughly 44 points: about 28% of voters vote Democratic and 72% Republican.
About 58% of adults in 30575 typically vote, near the U.S. average of about 62%. Among adults in 30575, ~16% vote Democratic, ~42% Republican, and ~42% don't vote. The map below shows estimated turnout by block group.
How 30575 compares
Among zip codes within 15 miles, 30575 leans more Republican than 9 of 16 neighbors.
30575 runs about 42 points more Republican than Georgia as a whole.
Politics vary noticeably by block within 30575. The south side is the most Republican-leaning (R+55) and the northwest side is the least Republican-leaning (R+24), a spread of about 31 points.
Why 30575 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 30575, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 15% of adults in 30575 hold a bachelor's degree, about 9 points below the Georgia average of 24%. A high family-household share predicts Republican voting, and about 78% of households in 30575 are family households, above 87% of zip codes.
High-school completion, uninsured rate, and voter turnout
Places that combine low high-school-completion share and a high uninsured rate tend to turn out at a lower rate, as 30575, GA does.
Why turnout in 30575 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 30575 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The uninsured rate here is about 20%, about 7 points above the Georgia average of 14%. Crowded housing lines up with lower turnout, and about 9% of homes in 30575 have more than one occupant per room, above 95% of zip codes. Low high-school completion lines up with lower turnout, and about 76% of adults in 30575 have completed high school, below 95% 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.