Sumter leans slightly Republican by roughly 6 points: about 47% of voters vote Democratic and 53% Republican.
About 58% of adults in Sumter typically vote, near the U.S. average of about 62%. Among adults in Sumter, ~27% vote Democratic, ~31% Republican, and ~42% don't vote. The map below shows estimated turnout by block group.
How Sumter compares
Among cities within 25 miles, Sumter leans more Republican than 12 of 40 neighbors.
Politically, Sumter sits close to the rest of Georgia.
Politics vary noticeably by neighborhood within Sumter. The southwest side runs the most Democratic (Even) and the east side runs the most Republican (R+10), a spread of about 12 points.
Why Sumter 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 Sumter, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 90% of residents in Sumter drive to work alone, about 16 points above the U.S. average of 74%.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; Sumter, GA sits below the national average 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 Sumter looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Sumter is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Crowded housing lines up with lower turnout, and about 8% of homes in Sumter have more than one occupant per room, above 94% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Smithville, GA R+24
- New Point, GA Even
- Huntington, GA R+12
- Americus, GA D+21
- Plains, GA R+5
- Pleasant Hill, GA R+21
- Leslie, GA R+8
- Neyami, GA R+38
- Friendship, GA D+3
- Bronwood, GA R+18
Cities with Similar Populations
- Silver Beach, WA D+41
- Port Kent, NY R+14
- Gabriels, NY D+20
- West Lubec, ME R+17
- Hoytville, OH R+55
- Ingold, NC R+23
- Woodstock, MN R+67
- Slabtown, WI R+40
- Iona, NJ R+30
- Raymertown, NY R+32
All Local Stats
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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.