61775 is a Republican stronghold. About 19% of voters here vote Democratic and 81% Republican.
About 83% of adults in 61775 typically vote, above the U.S. average of about 62%. Among adults in 61775, ~16% vote Democratic, ~67% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How 61775 compares
Among zip codes within 15 miles, 61775 is the most Republican-leaning.
61775 runs about 74 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while 61775 is one of the few Republican-leaning pockets.
Why 61775 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 61775, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In 61775, about 98% of residents are non-Hispanic white, about 25 points above the U.S. average of 72%; about 16% of adults hold a bachelor's degree, about 11 points below the Illinois average of 27%. 61775 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; 61775, IL sits in the top tenth nationally on this measure.
Why turnout in 61775 looks the way it does
Homeowners vote more often than renters. About 94% of households in 61775 own their home, about 14 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.