Cornwell leans heavily Republican by roughly 46 points: about 27% of voters vote Democratic and 73% Republican.
About 83% of adults in Cornwell typically vote, above the U.S. average of about 62%. Among adults in Cornwell, ~22% vote Democratic, ~61% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How Cornwell compares
Among cities within 25 miles, Cornwell leans more Republican than 43 of 55 neighbors.
Cornwell runs about 28 points more Republican than South Carolina as a whole.
Why Cornwell 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 Cornwell, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 9% of adults in Cornwell hold a bachelor's degree, about 15 points below the South Carolina average of 23%.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Cornwell, SC sits in the bottom tenth 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 Cornwell looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Cornwell is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 62%, compared to around 56% in nearby cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Gayle Mill, SC R+31
- Woodward, SC D+32
- Blackstock, SC R+35
- Orrs, SC R+40
- Chester, SC D+5
- Mckeown, SC Even
- Douglass, SC D+38
- Baton Rouge, SC R+38
- Knox, SC R+45
Cities with Similar Populations
- St. Thomas, MO R+71
- Calwood, MO R+55
- Snowflake, WV R+58
- Pelican City, OR R+28
- Whitleyville, TN R+65
- East Camden, AR R+53
- Kibler, AR R+67
- Roxbury, NY R+4
- Hop Bottom, PA R+49
- O'Neals, CA R+41
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.