60542 leans slightly Democratic by roughly 10 points: about 55% of voters vote Democratic and 45% Republican.
About 75% of adults in 60542 typically vote, above the U.S. average of about 62%. Among adults in 60542, ~41% vote Democratic, ~34% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How 60542 compares
Among zip codes within 15 miles, 60542 leans more Democratic than 17 of 38 neighbors.
Politically, 60542 sits close to the rest of Illinois.
Politics vary noticeably by block within 60542. The southwest side runs the most Democratic (D+20) and the northwest side runs the most Republican (R+7), a spread of about 27 points.
Why 60542 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 60542, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 75% of residents in 60542 live in densely developed areas, about 39 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 60542 sits in the top quarter (about 40%, above 81% of zip codes).
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; 60542, IL sits in the top quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in 60542 looks the way it does
Turnout in 60542 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.