Westville leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.
About 78% of adults in Westville typically vote, above the U.S. average of about 62%. Among adults in Westville, ~23% vote Democratic, ~55% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How Westville compares
Among cities within 25 miles, Westville leans more Republican than 5 of 75 neighbors.
Westville runs about 53 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Westville is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Westville. The southwest side is the most Republican-leaning (R+53) and the west side is the least Republican-leaning (R+39), a spread of about 13 points.
Why Westville 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 Westville, not a ranked or complete list of what matters most.
Westville votes against the grain of Illinois. Illinois leans Democratic overall, while Westville runs about 53 points more Republican. Dense places usually vote Democratic, but Westville runs against that pattern. A high white share with below-average college attainment predicts Republican voting, and Westville fits that profile on both counts.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Westville, IL sits in the top 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 Westville looks the way it does
Turnout in Westville 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
- Belgium, IL R+43
- Himrod, IL R+50
- Midway, IL R+54
- Tilton, IL R+40
- Catlin, IL R+48
- Georgetown, IL R+44
- Meeks, IL R+54
- Danville, IL Even
- Olivet, IL R+54
- Oakwood, IL R+49
Cities with Similar Populations
- Pearson, GA R+57
- Merkel, TX R+72
- Tama, IA R+11
- Lopezville, TX Even
- Rockport, IN R+51
- Utica, OH R+53
- Hometown, IL R+3
- Greene, ME R+35
- Shady Side, MD R+6
- Oglesby, IL R+17
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.