Mountville leans Republican by roughly 20 points: about 40% of voters vote Democratic and 60% Republican.
About 69% of adults in Mountville typically vote, above the U.S. average of about 62%. Among adults in Mountville, ~28% vote Democratic, ~41% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How Mountville compares
Among cities within 25 miles, Mountville leans more Republican than 7 of 41 neighbors.
Politically, Mountville sits close to the rest of South Carolina.
Politics vary noticeably by neighborhood within Mountville. The northeast side is the most Republican-leaning (R+45) and the east side is the least Republican-leaning (R+6), a spread of about 39 points.
Why Mountville 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 Mountville, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 89% of residents in Mountville drive to work alone, about 15 points above the U.S. average of 74%.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Mountville, 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 Mountville looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Mountville 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 61%. Homeowners vote more often than renters, and about 90% of households in Mountville own their home, above 80% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Cross Hill, SC R+50
- Waterloo, SC R+54
- Clinton, SC R+18
- Maddens, SC R+49
- Lydia Mills, SC R+9
- Joanna, SC R+52
- Laurens, SC R+17
- Greenwood Shores, SC R+56
- Kinards, SC R+43
- Wattsville, SC R+50
Cities with Similar Populations
- Thompsons, TX R+11
- Truby, TX R+79
- Golden City, MO R+69
- Ironton, MN R+38
- Allison, IA R+46
- Smyrna, SC R+69
- Gladeville, TN R+53
- Cassville, WI R+38
- Orangeville, IL R+43
- Arcadia, MO R+53
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.