60104 is a Democratic stronghold. About 89% of voters here vote Democratic and 11% Republican.
About 59% of adults in 60104 typically vote, near the U.S. average of about 62%. Among adults in 60104, ~52% vote Democratic, ~7% Republican, and ~41% don't vote. The map below shows estimated turnout by block group.
How 60104 compares
Among zip codes within 15 miles, 60104 leans more Democratic than 123 of 129 neighbors.
60104 runs about 67 points more Democratic than Illinois as a whole.
Why 60104 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 60104, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in 60104 live in densely developed areas, about 64 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 41% of adults in 60104 have never been married, above 88% of zip codes.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 60104, IL sits in the top tenth nationally on this measure.
Why turnout in 60104 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 60104 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. High food insecurity lines up with lower turnout, and about 31% of adults in 60104 report food insecurity, above 94% 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.