30542 leans heavily Republican by roughly 40 points: about 30% of voters vote Democratic and 70% Republican.
About 83% of adults in 30542 typically vote, above the U.S. average of about 62%. Among adults in 30542, ~25% vote Democratic, ~58% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How 30542 compares
Among zip codes within 15 miles, 30542 leans more Republican than 12 of 16 neighbors.
30542 runs about 38 points more Republican than Georgia as a whole.
Politics vary noticeably by block within 30542. The east side is the most Republican-leaning (R+53) and the northeast side is the least Republican-leaning (R+25), a spread of about 28 points.
Why 30542 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 30542, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 76% of households in 30542 are family households, about 10 points above the U.S. average of 67%.
Non-English at home and voter turnout
Places with a low non-English-at-home share tend to turn out at a higher rate; 30542, GA sits in the bottom quarter nationally on this measure.
Why turnout in 30542 looks the way it does
Turnout in 30542 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.