31090 leans heavily Republican by roughly 38 points: about 31% of voters vote Democratic and 69% Republican.
About 71% of adults in 31090 typically vote, above the U.S. average of about 62%. Among adults in 31090, ~22% vote Democratic, ~49% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How 31090 compares
Among zip codes within 15 miles, 31090 is the most Republican-leaning.
31090 runs about 36 points more Republican than Georgia as a whole.
Politics vary noticeably by block within 31090. The south side is the most Republican-leaning (R+52) and the east side is the least Republican-leaning (R+36), a spread of about 16 points.
Why 31090 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 31090, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 4% of residents in 31090 live in densely developed areas, about 22 points below the Georgia average of 26%.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 31090, GA sits in the bottom 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 31090 looks the way it does
Turnout in 31090 sits close to the national pattern. 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.