Fountain Inn leans Republican by roughly 30 points: about 35% of voters vote Democratic and 65% Republican.
About 73% of adults in Fountain Inn typically vote, above the U.S. average of about 62%. Among adults in Fountain Inn, ~26% vote Democratic, ~47% Republican, and ~27% don't vote. The map below shows estimated turnout by block group.
How Fountain Inn compares
Among cities within 25 miles, Fountain Inn leans more Republican than 23 of 61 neighbors.
Fountain Inn runs about 12 points more Republican than South Carolina as a whole.
Politics vary noticeably by neighborhood within Fountain Inn. The south side is the most Republican-leaning (R+64) and the northwest side is the least Republican-leaning (R+3), a spread of about 61 points.
Why Fountain Inn 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 Fountain Inn, not a ranked or complete list of what matters most.
Fountain Inn votes Republican even though it is densely developed (about 36%, modestly above the South Carolina average of 24%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Fountain Inn, SC sits in the top quarter nationally on this measure.
Why turnout in Fountain Inn looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Fountain Inn 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 Cities
- Simpsonville, SC R+22
- Owings, SC R+61
- Crescent, SC R+53
- Gray Court, SC R+56
- Five Forks, SC R+29
- Mauldin, SC Even
- Woodruff, SC R+47
- Ware Place, SC R+67
- Lanford, SC R+54
- Hickory Tavern, SC R+73
Cities with Similar Populations
- Oroville, CA R+21
- Union Hill-Novelty Hill, WA D+33
- Acton, MA D+43
- Seaford, DE R+10
- Summit, NJ D+29
- Central Falls, RI D+23
- Gretna, LA D+20
- Montclair, VA D+27
- Canfield, OH R+22
- Red Lion, PA R+28
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.