60035 leans heavily Democratic by roughly 50 points: about 75% of voters vote Democratic and 25% Republican.
About 92% of adults in 60035 typically vote, above the U.S. average of about 62%. Among adults in 60035, ~69% vote Democratic, ~23% Republican, and ~8% don't vote. The map below shows estimated turnout by block group.
How 60035 compares
Among zip codes within 15 miles, 60035 leans more Democratic than 43 of 50 neighbors.
60035 runs about 38 points more Democratic than Illinois as a whole.
Politics vary noticeably by block within 60035. The southeast side is the most Democratic-leaning (D+57) and the west side is the least Democratic-leaning (D+44), a spread of about 14 points.
Why 60035 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 60035, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 78% of adults in 60035 hold a bachelor's degree, about 49 points above the U.S. average of 28%. Dense areas vote Democratic, and 60035 sits in the top fifth on density (about 92%, above 89% of zip codes).
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 60035, IL sits in the top quarter 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 60035 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 60035 is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 77%, about 17 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 97% of adults in 60035 have completed high school, above 91% of zip codes. 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.