Walnut Hill is a Republican stronghold. About 21% of voters here vote Democratic and 79% Republican.
About 73% of adults in Walnut Hill typically vote, above the U.S. average of about 62%. Among adults in Walnut Hill, ~15% vote Democratic, ~58% Republican, and ~27% don't vote. The map below shows estimated turnout by block group.
How Walnut Hill compares
Among cities within 25 miles, Walnut Hill leans more Republican than 25 of 65 neighbors.
Walnut Hill runs about 70 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Walnut Hill is one of the few Republican-leaning pockets.
Why Walnut Hill 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 Walnut Hill, not a ranked or complete list of what matters most.
Walnut Hill votes against the grain of Illinois. Illinois leans Democratic overall, while Walnut Hill runs about 70 points more Republican.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Walnut Hill, IL sits above the national average on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in Walnut Hill looks the way it does
Turnout in Walnut Hill sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Hubbard Woods, IL R+56
- Dix, IL R+59
- Cravat, IL R+64
- Centralia, IL R+31
- Wamac, IL R+47
- Irvington, IL R+56
- Central City, IL R+48
- Kell, IL R+66
- Junction City, IL R+59
- Selmaville, IL R+63
Cities with Similar Populations
- Neely, MS R+90
- Sumerco, WV R+61
- Oconee, GA R+18
- Avon, AL R+66
- Gravel Hill, MO R+72
- King Cove, AK D+6
- Koshkonong, WI R+26
- Philbrook, MN R+53
- Harrisburg, OH R+49
- Owensburg, IN R+59
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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.