60951 is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 68% of adults in 60951 typically vote, above the U.S. average of about 62%. Among adults in 60951, ~15% vote Democratic, ~53% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.
How 60951 compares
Among zip codes within 15 miles, 60951 leans more Republican than 14 of 16 neighbors.
60951 runs about 66 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while 60951 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 60951. The west side is the most Republican-leaning (R+63) and the east side is the least Republican-leaning (R+51), a spread of about 12 points.
Why 60951 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 60951, not a ranked or complete list of what matters most.
60951 votes against the grain of Illinois. Illinois leans Democratic overall, while 60951 runs about 66 points more Republican. Car-dependent areas vote Republican, and about 84% of residents in 60951 drive to work alone, above 84% of zip codes.
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 60951, IL does.
Why turnout in 60951 looks the way it does
Turnout in 60951 sits close to the national pattern. 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.