Tower Hill is a Republican stronghold. About 18% of voters here vote Democratic and 82% Republican.
About 73% of adults in Tower Hill typically vote, above the U.S. average of about 62%. Among adults in Tower Hill, ~13% vote Democratic, ~60% Republican, and ~27% don't vote. The map below shows estimated turnout by block group.
How Tower Hill compares
Among cities within 25 miles, Tower Hill leans more Republican than 27 of 52 neighbors.
Tower Hill runs about 74 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Tower Hill is one of the few Republican-leaning pockets.
Why Tower 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 Tower Hill, not a ranked or complete list of what matters most.
Tower Hill votes against the grain of Illinois. Illinois leans Democratic overall, while Tower Hill runs about 74 points more Republican. Car-dependent areas vote Republican, and about 86% of residents in Tower Hill drive to work alone, above 84% of cities. Low college attainment predicts Republican voting, and Tower Hill sits in the bottom quarter (about 13%, below 86% of cities).
Population density and Republican lean
Places with low population density tend to lean Republican; Tower Hill, IL sits below the national average on this measure.
Why turnout in Tower Hill looks the way it does
Turnout in Tower Hill sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Henton, IL R+64
- Lakewood Township, IL R+64
- Pana, IL R+41
- Westervelt, IL R+63
- Shelbyville, IL R+47
- Oconee, IL R+65
- Cowden, IL R+64
- Assumption, IL R+56
- Yantisville, IL R+65
- Millersville, IL R+56
Cities with Similar Populations
- Gibson, TN R+64
- Bascom, OH R+52
- McDonald, WA R+60
- Allenwood, NJ R+29
- Americus, KS R+50
- Trivoli, IL R+36
- West Kittanning, PA R+42
- Atlantic Mine, MI R+5
- Ruthven, IA R+46
- Moapa, NV R+30
All Local Stats
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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.