Tiskilwa leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.
About 84% of adults in Tiskilwa typically vote, above the U.S. average of about 62%. Among adults in Tiskilwa, ~24% vote Democratic, ~60% Republican, and ~16% don't vote. The map below shows estimated turnout by block group.
How Tiskilwa compares
Among cities within 25 miles, Tiskilwa leans more Republican than 33 of 64 neighbors.
Tiskilwa runs about 53 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Tiskilwa is one of the few Republican-leaning pockets.
Why Tiskilwa 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 Tiskilwa, not a ranked or complete list of what matters most.
Tiskilwa votes against the grain of Illinois. Illinois leans Democratic overall, while Tiskilwa runs about 53 points more Republican.
Cholesterol-screening access and voter turnout
Places with high cholesterol-screening access tend to turn out at a higher rate; Tiskilwa, IL sits in the top quarter nationally on this measure. Cholesterol screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Tiskilwa looks the way it does
Turnout in Tiskilwa 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
- Bureau, IL R+42
- Wyanet, IL R+32
- Princeton, IL R+22
- Putnam, IL R+30
- Milo, IL R+46
- Bureau Junction, IL R+26
- Buda, IL R+45
- Whitefield, IL R+45
- Lombardville, IL R+49
- Hennepin, IL R+30
Cities with Similar Populations
- Bennington, KS R+64
- Barneveld, NY R+31
- Big Island, VA R+54
- Summit City, MI R+42
- Darlington, LA D+33
- Darwin, MN R+49
- Fredericksburg, IN R+59
- Mountain Home, TX R+69
- Damascus, AR R+66
- Muscadine, AL R+89
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.