30075 is a true toss-up. About 49% of voters here vote Democratic and 51% Republican.
About 92% of adults in 30075 typically vote, above the U.S. average of about 62%. Among adults in 30075, ~45% vote Democratic, ~47% Republican, and ~8% don't vote. The map below shows estimated turnout by block group.
How 30075 compares
Among zip codes within 15 miles, 30075 sits roughly in the middle of the political spectrum, with 28 neighbors leaning further in the place's direction and 7 leaning the other way.
Politically, 30075 sits close to the rest of Georgia.
Politics vary noticeably by block within 30075. The southeast side runs the most Democratic (D+24) and the west side runs the most Republican (R+15), a spread of about 39 points.
Why 30075 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 30075. The lean here lands roughly where demographic data alone would predict.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; 30075, GA sits in the top tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in 30075 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 30075 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 75%, about 15 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in 30075 have completed high school, above 94% 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.