30274 is a Democratic stronghold. About 87% of voters here vote Democratic and 13% Republican.
About 57% of adults in 30274 typically vote, near the U.S. average of about 62%. Among adults in 30274, ~50% vote Democratic, ~7% Republican, and ~43% don't vote. The map below shows estimated turnout by block group.
How 30274 compares
Among zip codes within 15 miles, 30274 leans more Democratic than 19 of 34 neighbors.
30274 runs about 76 points more Democratic than Georgia as a whole. Georgia is roughly evenly split, and 30274 sits clearly on the Democratic side.
Politics vary noticeably by block within 30274. The south side is the most Democratic-leaning (D+80) and the northeast side is the least Democratic-leaning (D+63), a spread of about 17 points.
Why 30274 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 30274, not a ranked or complete list of what matters most.
Density combined with diversity predicts Democratic voting. Non-Hispanic white share in 30274 is about 5%, about 67 points below the U.S. average of 72%. A high never-married share predicts Democratic voting, and about 49% of adults in 30274 have never been married, above 95% of zip codes. 30274 runs against the grain of Georgia, a Democratic-leaning outlier in a roughly evenly split state.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 30274, GA sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 30274 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 30274 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 47%, about 9 points below the Georgia average of 56%. Renters vote less often than owners, and about 49% of households in 30274 rent, about 24 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 33% of adults in 30274 report food insecurity, 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.