Edgefield leans slightly Republican by roughly 6 points: about 47% of voters vote Democratic and 53% Republican.
About 52% of adults in Edgefield typically vote, below the U.S. average of about 62%. Among adults in Edgefield, ~25% vote Democratic, ~28% Republican, and ~47% don't vote. The map below shows estimated turnout by block group.
How Edgefield compares
Among cities within 25 miles, Edgefield leans more Republican than 6 of 45 neighbors.
Edgefield runs about 12 points more Democratic than South Carolina as a whole.
Politics vary noticeably by neighborhood within Edgefield. The northwest side runs the most Democratic (D+7) and the southwest side runs the most Republican (R+56), a spread of about 63 points.
Why Edgefield 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 Edgefield, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 76% of households in Edgefield are family households, about 9 points above the U.S. average of 67%.
High-school completion, developed land, and voter turnout
Places that combine low high-school-completion share and a heavily developed built environment tend to turn out at a lower rate, as Edgefield, SC does.
Why turnout in Edgefield looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Edgefield is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. High food insecurity lines up with lower turnout, and about 31% of adults in Edgefield report food insecurity, above 96% of cities. Low high-school completion lines up with lower turnout, and about 80% of adults in Edgefield have completed high school, below 91% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Johnston, SC R+4
- Trenton, SC R+26
- Pleasant Lane, SC R+18
- Meeting Street, SC R+24
- Fruit Hill, SC R+2
- Modoc, SC R+53
- Clarks Hill, SC R+53
- Vaucluse, SC R+10
- Owdoms, SC R+36
- Ward, SC R+42
Cities with Similar Populations
- Olyphant, PA R+7
- Chester, MD R+23
- Derwood, MD D+38
- Burgaw, NC R+25
- Hillsboro, NH R+15
- Gooding, ID R+51
- Mitchell, IN R+52
- Walworth, NY R+22
- Blanchester, OH R+60
- Kingfisher, OK R+56
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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.