62241 is a Republican stronghold. About 20% of voters here vote Democratic and 80% Republican.
About 83% of adults in 62241 typically vote, above the U.S. average of about 62%. Among adults in 62241, ~17% vote Democratic, ~67% Republican, and ~16% don't vote. The map below shows estimated turnout by block group.
How 62241 compares
Among zip codes within 15 miles, 62241 leans more Republican than 11 of 12 neighbors.
62241 runs about 71 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while 62241 is one of the few Republican-leaning pockets.
Why 62241 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 62241, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 94% of residents in 62241 drive to work alone, about 20 points above the U.S. average of 74%. Low college attainment predicts Republican voting, and 62241 sits in the bottom quarter (about 14%, below 84% of zip codes). 62241 runs against the grain of Illinois, a Republican-leaning pocket in a Democratic-leaning state.
Population density and Republican lean
Places with low population density tend to lean Republican; 62241, IL sits below the national average on this measure.
Why turnout in 62241 looks the way it does
Homeowners vote more often than renters. About 90% of households in 62241 own their home, about 10 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.