Chesterfield County leans Republican by roughly 28 points: about 36% of voters vote Democratic and 64% Republican.
About 64% of adults in Chesterfield County typically vote, near the U.S. average of about 62%. Among adults in Chesterfield County, ~23% vote Democratic, ~41% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How Chesterfield County compares
Among counties within 50 miles, Chesterfield County leans more Republican than 10 of 13 neighbors.
Chesterfield County runs about 10 points more Republican than South Carolina as a whole.
Politics vary noticeably by city within Chesterfield County. The south side is the most split-leaning (R+60) and the east side is the least split-leaning (Even), a spread of about 59 points.
Why Chesterfield 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 Chesterfield County, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 83% of residents in Chesterfield County drive to work alone, about 9 points above the U.S. average of 74%. Low college attainment predicts Republican voting, and Chesterfield County sits in the bottom quarter (about 14%, below 92% of counties).
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Chesterfield 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 Chesterfield County looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Chesterfield 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
- Anson County, NC Even
- Darlington County, SC R+8
- Marlboro County, SC D+9
- Richmond County, NC R+15
- Lee County, SC D+20
- Union County, NC R+20
- Lancaster County, SC R+23
- Scotland County, NC D+2
- Kershaw County, SC R+32
- Stanly County, NC R+47
Counties with Similar Populations
- DeKalb County, IN R+49
- Muscatine County, IA R+16
- Highland County, OH R+61
- Cerro Gordo County, IA R+18
- Jackson County, NC R+18
- Coffee County, GA R+35
- Suwannee County, FL R+58
- Sullivan County, NH R+16
- Prince George County, VA R+2
- Pettis County, MO R+43
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.