30291 is a Democratic stronghold. About 90% of voters here vote Democratic and 10% Republican.
About 68% of adults in 30291 typically vote, above the U.S. average of about 62%. Among adults in 30291, ~61% vote Democratic, ~7% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.
How 30291 compares
Among zip codes within 15 miles, 30291 leans more Democratic than 20 of 28 neighbors.
30291 runs about 81 points more Democratic than Georgia as a whole. Georgia is roughly evenly split, and 30291 sits clearly on the Democratic side.
Politics vary noticeably by block within 30291. The east side is the most Democratic-leaning (D+84) and the southwest side is the least Democratic-leaning (D+68), a spread of about 16 points.
Why 30291 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 30291, not a ranked or complete list of what matters most.
Density combined with diversity predicts Democratic voting. Non-Hispanic white share in 30291 is about 5%, about 68 points below the U.S. average of 72%. A high never-married share predicts Democratic voting, and about 54% of adults in 30291 have never been married, above 96% of zip codes. 30291 runs against the grain of Georgia, a Democratic-leaning outlier in a roughly evenly split state.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; 30291, GA sits in the top quarter nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in 30291 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 30291 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. 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.