Edgefield County leans Republican by roughly 22 points: about 39% of voters vote Democratic and 61% Republican.
About 67% of adults in Edgefield County typically vote, near the U.S. average of about 62%. Among adults in Edgefield County, ~26% vote Democratic, ~41% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How Edgefield County compares
Among counties within 50 miles, Edgefield County leans more Republican than 10 of 15 neighbors.
Edgefield County runs about 5 points more Republican than South Carolina as a whole.
Politics vary noticeably by city within Edgefield County. The northeast side runs the most Democratic (D+6) and the southwest side runs the most Republican (R+56), a spread of about 62 points.
Why Edgefield 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 Edgefield County, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 74% of households in Edgefield County are family households, about 8 points above the U.S. average of 67%.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Edgefield County, SC sits in the bottom quarter 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 Edgefield County looks the way it does
Homeowners vote more often than renters. About 82% of households in Edgefield County own their home, about 5 points above the South Carolina average of 77%. Limited routine healthcare access lines up with lower turnout, and Edgefield County sits in the bottom quarter on routine-care measures. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Aiken County, SC R+24
- Columbia County, GA R+21
- Richmond County, GA D+41
- Saluda County, SC R+34
- McCormick County, SC R+5
- Lincoln County, GA R+37
- McDuffie County, GA R+14
- Greenwood County, SC R+18
- Burke County, GA R+7
- Newberry County, SC R+22
Counties with Similar Populations
- Garvin County, OK R+61
- Morehouse Parish, LA R+3
- Plymouth County, IA R+49
- Cheboygan County, MI R+26
- Benton County, IA R+36
- Johnson County, AR R+54
- Staunton City, VA Even
- Montgomery County, NC R+34
- Lawrence County, SD R+37
- Russell County, VA R+68
All Local Stats
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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.