Kilbourne is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 73% of adults in Kilbourne typically vote, above the U.S. average of about 62%. Among adults in Kilbourne, ~16% vote Democratic, ~57% Republican, and ~27% don't vote. The map below shows estimated turnout by block group.
How Kilbourne compares
Among cities within 25 miles, Kilbourne leans more Republican than 45 of 57 neighbors.
Kilbourne runs about 67 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Kilbourne is one of the few Republican-leaning pockets.
Why Kilbourne 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 Kilbourne, not a ranked or complete list of what matters most.
Kilbourne votes against the grain of Illinois. Illinois leans Democratic overall, while Kilbourne runs about 67 points more Republican. A high white share with below-average college attainment predicts Republican voting, and Kilbourne fits that profile on both counts.
High-school completion, developed land, and voter turnout
Places that combine high-school-completion-heavy adults and a rural land-use pattern tend to turn out at a higher rate, as Kilbourne, IL does.
Why turnout in Kilbourne looks the way it does
Areas with high high-school completion turn out at higher rates. About 97% of adults in Kilbourne have completed high school, about 7 points above the U.S. average of 90%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Oakford, IL R+60
- Bath, IL R+56
- Poplar City, IL R+54
- Matanzas Beach, IL R+56
- Newmansville, IL R+57
- Easton, IL R+58
- Havana, IL R+40
- Chandlerville, IL R+56
- Eckard, IL R+49
- Teheran, IL R+58
Cities with Similar Populations
- Ledger, MT R+57
- Johnson, IN R+61
- Milledgeville, TN R+75
- Mingoville, PA R+44
- Greenway, AR R+67
- Point Nipigon, MI R+30
- New Providence, IA R+51
- Durham, MO R+73
- Cedar Hill, NY D+9
- Halder, WI R+43
All Local Stats
Home Services
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.