Heathsville is a Republican stronghold. About 16% of voters here vote Democratic and 84% Republican.
About 78% of adults in Heathsville typically vote, above the U.S. average of about 62%. Among adults in Heathsville, ~12% vote Democratic, ~66% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How Heathsville compares
Among cities within 25 miles, Heathsville leans more Republican than 65 of 68 neighbors.
Heathsville runs about 78 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Heathsville is one of the few Republican-leaning pockets.
Why Heathsville 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 Heathsville, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In Heathsville, about 98% of residents are non-Hispanic white, about 26 points above the U.S. average of 72%; about 17% of adults hold a bachelor's degree, about 10 points below the Illinois average of 27%. Car-dependent areas vote Republican, and about 87% of residents in Heathsville drive to work alone, above 87% of cities. Heathsville runs against the grain of Illinois, a Republican-leaning pocket in a Democratic-leaning state.
Park access and Republican lean
Places with low park coverage tend to lean Republican; Heathsville, IL sits in the bottom quarter nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in Heathsville looks the way it does
Homeowners vote more often than renters. About 95% of households in Heathsville own their home, about 15 points above the Illinois average of 80%. High high-school completion lines up with higher turnout, and more than 99% of adults in Heathsville have completed high school, in the top fraction of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Flat Rock, IL R+64
- Palestine, IL R+51
- Russellville, IL R+61
- Oaktown, IN R+59
- Pinkstaff, IL R+60
- New Lebanon, IN R+54
- New Hebron, IL R+61
Cities with Similar Populations
- Haynes, ND R+62
- Honcut, CA R+41
- Metaline, WA R+37
- West Lewistown, MT R+60
- North Blandford, MA Even
- Booneville, TN R+73
- Enterprise, OH R+67
- Kenyon, RI R+4
- Holly Brook, VA R+74
- State Line, IN R+46
Sources and methodology
Precinct-level voting records used to fit the model come from Illinois 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.