30307 is a Democratic stronghold. About 82% of voters here vote Democratic and 18% Republican.
About 80% of adults in 30307 typically vote, above the U.S. average of about 62%. Among adults in 30307, ~66% vote Democratic, ~14% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.
How 30307 compares
Among zip codes within 15 miles, 30307 leans more Democratic than 37 of 67 neighbors.
30307 runs about 66 points more Democratic than Georgia as a whole. Georgia is roughly evenly split, and 30307 sits clearly on the Democratic side.
Politics vary noticeably by block within 30307. The south side is the most Democratic-leaning (D+80) and the southwest side is the least Democratic-leaning (D+58), a spread of about 22 points.
Why 30307 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 30307, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 83% of adults in 30307 hold a bachelor's degree, about 54 points above the U.S. average of 28%. Dense areas vote Democratic, and 30307 sits in the top fifth on density (about 97%, above 93% of zip codes). 30307 runs against the grain of Georgia, a Democratic-leaning outlier in a roughly evenly split state.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; 30307, 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 30307 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 30307 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 72%, about 12 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in 30307 have completed high school, above 96% 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.