39840 leans slightly Democratic by roughly 12 points: about 56% of voters vote Democratic and 44% Republican.
About 68% of adults in 39840 typically vote, above the U.S. average of about 62%. Among adults in 39840, ~38% vote Democratic, ~30% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.
How 39840 compares
Among zip codes within 15 miles, 39840 leans more Democratic than 3 of 4 neighbors.
39840 runs about 13 points more Democratic than Georgia as a whole. Georgia is roughly evenly split, and 39840 sits clearly on the Democratic side.
Politics vary noticeably by block within 39840. The west side runs the most Democratic (D+30) and the east side runs the most Republican (R+27), a spread of about 56 points.
Why 39840 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 39840, not a ranked or complete list of what matters most.
Areas with many never-married adults vote Democratic. About 42% of adults in 39840 have never been married, well above similar-sized zip codes (around 27%). 39840 runs against the grain of Georgia, a Democratic-leaning outlier in a roughly evenly split state.
Park access and Republican lean
Places with low park coverage tend to lean Republican; 39840, GA sits in the bottom tenth nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in 39840 looks the way it does
Limited routine healthcare access lines up with lower turnout, and 39840 sits in the bottom quarter on routine-care measures. 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.