61359 leans Republican by roughly 28 points: about 36% of voters vote Democratic and 64% Republican.
About 67% of adults in 61359 typically vote, near the U.S. average of about 62%. Among adults in 61359, ~24% vote Democratic, ~43% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How 61359 compares
Among zip codes within 15 miles, 61359 leans more Republican than 12 of 26 neighbors.
61359 runs about 39 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while 61359 is one of the few Republican-leaning pockets.
Why 61359 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 61359, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 91% of residents in 61359 drive to work alone, about 17 points above the U.S. average of 74%. 61359 runs against the grain of Illinois, a Republican-leaning pocket in a Democratic-leaning state.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 61359, IL sits in the bottom tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 61359 looks the way it does
Homeowners vote more often than renters. About 88% of households in 61359 own their home, about 9 points above the Illinois average of 80%. Limited routine healthcare access lines up with lower turnout, and 61359 sits in the bottom quarter on routine-care measures. 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.