61432 leans heavily Republican by roughly 38 points: about 31% of voters vote Democratic and 69% Republican.
About 86% of adults in 61432 typically vote, above the U.S. average of about 62%. Among adults in 61432, ~27% vote Democratic, ~59% Republican, and ~14% don't vote. The map below shows estimated turnout by block group.
How 61432 compares
Among zip codes within 15 miles, 61432 leans more Republican than 5 of 16 neighbors.
61432 runs about 49 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while 61432 is one of the few Republican-leaning pockets.
Why 61432 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 61432, not a ranked or complete list of what matters most.
Rural areas with a high white share vote Republican. 61432 sits in the bottom quarter on density and more than 99% of residents are non-Hispanic white, about 18 points above the Illinois average of 81%. 61432 runs against the grain of Illinois, a Republican-leaning pocket in a Democratic-leaning state.
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 61432, IL does.
Why turnout in 61432 looks the way it does
Homeowners vote more often than renters. About 97% of households in 61432 own their home, about 17 points above the Illinois average of 80%. High high-school completion lines up with higher turnout, and about 96% of adults in 61432 have completed high school, above 86% of zip codes. Learn more about the findings and methodology on the political spectrum map.
Nearby Zip Codes
Zip Codes with Similar Populations
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.