Greenwood County leans Republican by roughly 18 points: about 41% of voters vote Democratic and 59% Republican.
About 69% of adults in Greenwood County typically vote, above the U.S. average of about 62%. Among adults in Greenwood County, ~28% vote Democratic, ~41% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How Greenwood County compares
Among counties within 50 miles, Greenwood County leans more Republican than 3 of 14 neighbors.
Politically, Greenwood County sits close to the rest of South Carolina.
Politics vary noticeably by city within Greenwood County. The south side runs the most Democratic (D+3) and the southeast side runs the most Republican (R+46), a spread of about 49 points.
Why Greenwood 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 Greenwood County, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 86% of residents in Greenwood County drive to work alone, about 12 points above the U.S. average of 74%.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Greenwood County, SC sits in the top quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Greenwood County looks the way it does
Turnout in Greenwood County sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Abbeville County, SC R+39
- Laurens County, SC R+35
- McCormick County, SC R+5
- Saluda County, SC R+34
- Newberry County, SC R+22
- Lincoln County, GA R+37
- Edgefield County, SC R+23
- Anderson County, SC R+43
- Elbert County, GA R+35
- Greenville County, SC R+14
Counties with Similar Populations
- Klamath County, OR R+33
- Troup County, GA R+11
- Blue Earth County, MN R+6
- Columbia County, FL R+44
- Harrison County, TX R+39
- Ward County, ND R+32
- Iberia Parish, LA R+24
- San Patricio County, TX R+31
- York County, VA R+3
- Wise County, TX R+69
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.