Sumter County leans slightly Democratic by roughly 14 points: about 57% of voters vote Democratic and 43% Republican.
About 65% of adults in Sumter County typically vote, near the U.S. average of about 62%. Among adults in Sumter County, ~37% vote Democratic, ~28% Republican, and ~35% don't vote. The map below shows estimated turnout by block group.
How Sumter County compares
Among counties within 50 miles, Sumter County leans more Democratic than 19 of 22 neighbors.
Sumter County runs about 16 points more Democratic than Georgia as a whole. Georgia is roughly evenly split, and Sumter County sits clearly on the Democratic side.
Politics vary noticeably by city within Sumter County. The north side runs the most Democratic (D+53) and the south side runs the most Republican (R+36), a spread of about 89 points.
Why Sumter County leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Sumter County, not a ranked or complete list of what matters most.
Areas with many never-married adults vote Democratic. About 44% of adults in Sumter County have never been married, modestly above similar-sized counties (around 29%). Sumter County runs against the grain of Georgia, a Democratic-leaning outlier in a roughly evenly split state.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; Sumter County, GA sits in the bottom quarter 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 Sumter County looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Sumter County is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Schley County, GA R+60
- Webster County, GA R+16
- Macon County, GA D+22
- Terrell County, GA D+18
- Lee County, GA R+38
- Dooly County, GA R+6
- Crisp County, GA R+7
- Marion County, GA R+29
- Stewart County, GA D+12
- Dougherty County, GA D+48
Counties with Similar Populations
- Park County, WY R+51
- Bladen County, NC R+17
- Adams County, MS D+17
- Schoharie County, NY R+29
- Franklin County, ME R+18
- Smyth County, VA R+57
- Meade County, SD R+51
- Decatur County, GA R+10
- Marion County, AL R+79
- Haralson County, GA R+73
All Local Stats
Home Services
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.