60188 leans slightly Democratic by roughly 10 points: about 55% of voters vote Democratic and 45% Republican.
About 65% of adults in 60188 typically vote, near the U.S. average of about 62%. Among adults in 60188, ~36% vote Democratic, ~29% Republican, and ~35% don't vote. The map below shows estimated turnout by block group.
How 60188 compares
Among zip codes within 15 miles, 60188 leans more Democratic than 25 of 72 neighbors.
Politically, 60188 sits close to the rest of Illinois.
Politics vary noticeably by block within 60188. The southeast side runs the most Democratic (D+21) and the southwest side runs the most Republican (R+4), a spread of about 26 points.
Why 60188 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 60188, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 98% of residents in 60188 live in densely developed areas, about 62 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 60188 sits in the top quarter (about 43%, above 83% of zip codes).
Population density and Democratic lean
Places with high population density tend to lean Democratic; 60188, IL sits in the top tenth nationally on this measure.
Why turnout in 60188 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 60188 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 68%, about 8 points above the U.S. average of 60%. 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.