60475 leans Democratic by roughly 26 points: about 63% of voters vote Democratic and 37% Republican.
About 60% of adults in 60475 typically vote, near the U.S. average of about 62%. Among adults in 60475, ~38% vote Democratic, ~22% Republican, and ~40% don't vote. The map below shows estimated turnout by block group.
How 60475 compares
Among zip codes within 15 miles, 60475 leans more Democratic than 22 of 50 neighbors.
60475 runs about 14 points more Democratic than Illinois as a whole.
Politics vary noticeably by block within 60475. The southwest side is the most Democratic-leaning (D+36) and the northwest side is the least Democratic-leaning (D+5), a spread of about 31 points.
Why 60475 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 60475, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 92% of residents in 60475 live in densely developed areas, about 56 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 39% of adults in 60475 have never been married, above 85% of zip codes.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; 60475, IL sits in the top quarter 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 60475 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 60475 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 34% of households in 60475 rent, above 81% of zip codes. High food insecurity lines up with lower turnout, and about 25% of adults in 60475 report food insecurity, above 89% 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.