60154 leans heavily Democratic by roughly 34 points: about 67% of voters vote Democratic and 33% Republican.
About 73% of adults in 60154 typically vote, above the U.S. average of about 62%. Among adults in 60154, ~49% vote Democratic, ~24% Republican, and ~27% don't vote. The map below shows estimated turnout by block group.
How 60154 compares
Among zip codes within 15 miles, 60154 leans more Democratic than 80 of 129 neighbors.
60154 runs about 23 points more Democratic than Illinois as a whole.
Politics vary noticeably by block within 60154. The north side is the most Democratic-leaning (D+51) and the southwest side is the least Democratic-leaning (D+22), a spread of about 29 points.
Why 60154 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 60154, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 93% of residents in 60154 live in densely developed areas, about 57 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 60154 sits in the top quarter (about 42%, above 83% of zip codes).
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; 60154, IL sits in the top tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in 60154 looks the way it does
Homeowners vote more often than renters. About 88% of households in 60154 own their home, about 9 points above the Illinois average of 80%. 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.