30609 leans heavily Democratic by roughly 48 points: about 74% of voters vote Democratic and 26% Republican.
About 39% of adults in 30609 typically vote, below the U.S. average of about 62%. Among adults in 30609, ~29% vote Democratic, ~10% Republican, and ~61% don't vote. The map below shows estimated turnout by block group.
How 30609 compares
Among zip codes within 15 miles, 30609 is the most Democratic-leaning.
30609 runs about 50 points more Democratic than Georgia as a whole. Georgia is roughly evenly split, and 30609 sits clearly on the Democratic side.
Why 30609 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 30609, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in 30609 live in densely developed areas, about 64 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 98% of adults in 30609 have never been married, in the top fraction of zip codes. 30609 runs against the grain of Georgia, a Democratic-leaning outlier in a roughly evenly split state.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 30609, GA sits in the bottom 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 30609 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 30609 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%. Renters vote less often than owners, and more than 99% of households in 30609 rent, compared to around 43% in nearby zip codes. Low high-school completion lines up with lower turnout, and about 72% of adults in 30609 have completed high school, below 97% 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.