60615 is a Democratic stronghold. About 92% of voters here vote Democratic and 8% Republican.
About 55% of adults in 60615 typically vote, below the U.S. average of about 62%. Among adults in 60615, ~50% vote Democratic, ~4% Republican, and ~46% don't vote. The map below shows estimated turnout by block group.
How 60615 compares
Among zip codes within 15 miles, 60615 leans more Democratic than 95 of 96 neighbors.
60615 runs about 73 points more Democratic than Illinois as a whole.
Why 60615 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 60615, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 88% of residents in 60615 live in densely developed areas, about 52 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 60615 sits in the top quarter (about 63%, above 95% of zip codes). A high never-married share predicts Democratic voting, and about 54% of adults in 60615 have never been married, above 96% of zip codes.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 60615, IL sits in the top 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 60615 looks the way it does
Renters vote less often than owners. About 68% of households in 60615 rent, about 43 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 22% of adults in 60615 report food insecurity, above 84% 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.