Bamberg County leans Democratic by roughly 18 points: about 59% of voters vote Democratic and 41% Republican.
About 69% of adults in Bamberg County typically vote, above the U.S. average of about 62%. Among adults in Bamberg County, ~41% vote Democratic, ~28% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How Bamberg County compares
Among counties within 50 miles, Bamberg County leans more Democratic than 7 of 9 neighbors.
Bamberg County runs about 36 points more Democratic than South Carolina as a whole. South Carolina leans Republican overall, while Bamberg County is one of the few Democratic-leaning pockets.
Politics vary noticeably by city within Bamberg County. The northwest side runs the most Democratic (D+52) and the southwest side runs the most Republican (R+39), a spread of about 92 points.
Why Bamberg 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 Bamberg County, not a ranked or complete list of what matters most.
Bamberg County votes against the grain of South Carolina. South Carolina leans Republican overall, while Bamberg County runs about 36 points more Democratic. A high never-married share predicts Democratic voting, and about 39% of adults in Bamberg County have never been married, above 92% of counties.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; Bamberg County, SC 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 Bamberg County looks the way it does
Limited routine healthcare access lines up with lower turnout, and Bamberg County sits in the bottom quarter on routine-care measures. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Barnwell County, SC R+13
- Orangeburg County, SC D+28
- Allendale County, SC D+37
- Calhoun County, SC R+15
- Hampton County, SC D+9
- Colleton County, SC R+17
- Aiken County, SC R+24
- Lexington County, SC R+30
- Screven County, GA R+23
- Dorchester County, SC R+12
Counties with Similar Populations
- Johnson County, IL R+41
- Buffalo County, WI R+32
- Moffat County, CO R+52
- Clay County, IL R+63
- Osage County, MO R+70
- Calhoun County, MS R+39
- Amelia County, VA R+40
- Archuleta County, CO R+14
- Hughes County, OK R+53
- Monroe County, OH R+63
Sources and methodology
Precinct-level voting records used to fit the model come from South Carolina State Election Commission, 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.