30236 is a Democratic stronghold. About 80% of voters here vote Democratic and 20% Republican.
About 64% of adults in 30236 typically vote, near the U.S. average of about 62%. Among adults in 30236, ~51% vote Democratic, ~13% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How 30236 compares
Among zip codes within 15 miles, 30236 leans more Democratic than 9 of 31 neighbors.
30236 runs about 61 points more Democratic than Georgia as a whole. Georgia is roughly evenly split, and 30236 sits clearly on the Democratic side.
Politics vary noticeably by block within 30236. The northeast side is the most Democratic-leaning (D+70) and the southwest side is the least Democratic-leaning (D+38), a spread of about 32 points.
Why 30236 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 30236, not a ranked or complete list of what matters most.
Density combined with diversity predicts Democratic voting. Non-Hispanic white share in 30236 is about 13%, about 59 points below the U.S. average of 72%. A high never-married share predicts Democratic voting, and about 46% of adults in 30236 have never been married, above 93% of zip codes. 30236 runs against the grain of Georgia, a Democratic-leaning outlier in a roughly evenly split state.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 30236, GA sits in the top quarter nationally on this measure.
Why turnout in 30236 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 30236 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.