Westervelt is a Republican stronghold. About 18% of voters here vote Democratic and 82% Republican.
About 70% of adults in Westervelt typically vote, above the U.S. average of about 62%. Among adults in Westervelt, ~13% vote Democratic, ~57% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.
How Westervelt compares
Among cities within 25 miles, Westervelt leans more Republican than 36 of 58 neighbors.
Westervelt runs about 74 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Westervelt is one of the few Republican-leaning pockets.
Why Westervelt 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 Westervelt, not a ranked or complete list of what matters most.
Westervelt votes against the grain of Illinois. Illinois leans Democratic overall, while Westervelt runs about 74 points more Republican.
High-school completion and voter turnout
Places with high-school-completion-heavy adults tend to turn out at a higher rate; Westervelt, IL sits in the top quarter nationally on this measure.
Why turnout in Westervelt looks the way it does
High high-school completion lines up with higher turnout, and about 96% of adults in Westervelt have completed high school, above 82% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Henton, IL R+64
- Yantisville, IL R+65
- Duvall, IL R+63
- Shelbyville, IL R+47
- Findlay, IL R+61
- Middlesworth, IL R+66
- Obed, IL R+66
- Todds Point, IL R+58
- Tower Hill, IL R+63
- Lakewood Township, IL R+64
Cities with Similar Populations
- Womack, LA R+82
- Maunie, IL R+68
- Clarksburg, MA Even
- Three Lakes, MI R+32
- Tidwell, TX R+64
- Collinsburg, LA R+12
- Clyde, PA R+56
- Terry Creek, TN R+75
- Conway, IA R+52
- Sugar Pine, CA R+15
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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.