61563 leans heavily Republican by roughly 38 points: about 31% of voters vote Democratic and 69% Republican.
About 68% of adults in 61563 typically vote, above the U.S. average of about 62%. Among adults in 61563, ~21% vote Democratic, ~47% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.
How 61563 compares
Among zip codes within 15 miles, 61563 leans more Republican than 5 of 17 neighbors.
61563 runs about 50 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while 61563 is one of the few Republican-leaning pockets.
Why 61563 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 61563, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 94% of residents in 61563 drive to work alone, about 20 points above the U.S. average of 74%. A high white share with below-average college attainment predicts Republican voting, and 61563 fits that profile on both counts. 61563 runs against the grain of Illinois, a Republican-leaning pocket in a Democratic-leaning state.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; 61563, IL sits in the top tenth nationally on this measure.
Why turnout in 61563 looks the way it does
Homeowners vote more often than renters. About 94% of households in 61563 own their home, about 15 points above the Illinois average of 80%. 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.