Grangeburg leans heavily Republican by roughly 46 points: about 27% of voters vote Democratic and 73% Republican.
About 61% of adults in Grangeburg typically vote, near the U.S. average of about 62%. Among adults in Grangeburg, ~16% vote Democratic, ~45% Republican, and ~39% don't vote. The map below shows estimated turnout by block group.
How Grangeburg compares
Among cities within 25 miles, Grangeburg leans more Republican than 19 of 48 neighbors.
Grangeburg runs about 15 points more Republican than Alabama as a whole.
Politics vary noticeably by neighborhood within Grangeburg. The north side is the most Republican-leaning (R+69) and the east side is the least Republican-leaning (R+33), a spread of about 37 points.
Why Grangeburg leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Grangeburg, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 8% of adults in Grangeburg hold a bachelor's degree, about 12 points below the Alabama average of 20%.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Grangeburg, AL sits in the bottom tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Grangeburg looks the way it does
Areas with low high-school completion turn out at lower rates. About 80% of adults in Grangeburg have completed high school, about 10 points below the U.S. average of 90%. Limited routine healthcare access lines up with lower turnout, and Grangeburg sits in the bottom quarter on routine-care measures. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Malone, FL R+27
- Sealy Springs, AL R+69
- Cottonwood, AL R+72
- Gordon, AL R+35
- Dupree, AL R+77
- Sills, FL R+4
- Pansey, AL R+32
- Bascom, FL R+50
- Ashford, AL R+65
- Madrid, AL R+80
Cities with Similar Populations
- Nelta, TX R+82
- Granjeno, TX R+12
- Lemoyne, OH R+40
- Nelsonia, VA D+6
- Vanderburg, KY R+62
- Hitchcock, IN R+63
- Quicksand, KY R+59
- Sanborn, ND R+55
- Westby, MT R+59
- Concord, PA R+76
Sources and methodology
Precinct-level voting records used to fit the model come from Alabama Secretary of State, Elections, 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.