St. Charles is a Republican stronghold. About 16% of voters here vote Democratic and 84% Republican.
About 64% of adults in St. Charles typically vote, near the U.S. average of about 62%. Among adults in St. Charles, ~10% vote Democratic, ~54% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How St. Charles compares
Among cities within 25 miles, St. Charles leans more Republican than 53 of 66 neighbors.
St. Charles runs about 38 points more Republican than Kentucky as a whole.
Why St. Charles 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 St. Charles, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 3% of adults in St. Charles hold a bachelor's degree, about 15 points below the Kentucky average of 19%. Car-dependent areas vote Republican, and about 87% of residents in St. Charles drive to work alone, above 88% of cities. A high family-household share predicts Republican voting, and about 76% of households in St. Charles are family households, above 79% of cities.
Population density and Republican lean
Places with low population density tend to lean Republican; St. Charles, KY sits below the national average on this measure.
Why turnout in St. Charles looks the way it does
Turnout in St. Charles 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 Cities
- Dawson Springs, KY R+63
- Nortonville, KY R+61
- Charleston, KY R+73
- Mannington, KY R+69
- Claxton, KY R+66
- Richland, KY R+52
- Earlington, KY R+44
- Mortons Gap, KY R+56
- Oak Hill, KY R+59
- Hawkins, KY R+68
Cities with Similar Populations
- Manchester-By-The-Sea, MA D+35
- Jamestown, MS R+67
- Minburn, IA R+35
- Taxahaw, SC R+69
- Carlton, WA Even
- Rosholt, SD R+54
- Plessis, NY R+36
- Nichols, IA R+35
- Glade Park, CO R+39
- Rockdale, WI R+2
Sources and methodology
Precinct-level voting records used to fit the model come from Kentucky State Board of Elections, 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.