31630 leans heavily Republican by roughly 50 points: about 25% of voters vote Democratic and 75% Republican.
About 61% of adults in 31630 typically vote, near the U.S. average of about 62%. Among adults in 31630, ~15% vote Democratic, ~46% Republican, and ~39% don't vote. The map below shows estimated turnout by block group.
How 31630 compares
Among zip codes within 15 miles, 31630 leans more Republican than 3 of 4 neighbors.
31630 runs about 47 points more Republican than Georgia as a whole.
Politics vary noticeably by block within 31630. The east side runs the most Democratic (D+4) and the south side runs the most Republican (R+65), a spread of about 69 points.
Why 31630 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 31630, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 6% of residents in 31630 live in densely developed areas, about 20 points below the Georgia average of 26%.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 31630, GA sits in the bottom tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in 31630 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 31630 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 45%, about 10 points below the Georgia average of 56%. High food insecurity lines up with lower turnout, and about 26% of adults in 31630 report food insecurity, above 90% of zip codes. Low high-school completion lines up with lower turnout, and about 83% of adults in 31630 have completed high school, below 87% 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.