60115 leans Democratic by roughly 28 points: about 64% of voters vote Democratic and 36% Republican.
About 56% of adults in 60115 typically vote, below the U.S. average of about 62%. Among adults in 60115, ~36% vote Democratic, ~20% Republican, and ~44% don't vote. The map below shows estimated turnout by block group.
How 60115 compares
Among zip codes within 15 miles, 60115 is the most Democratic-leaning.
60115 runs about 16 points more Democratic than Illinois as a whole.
Politics vary noticeably by block within 60115. The northwest side runs the most Democratic (D+47) and the southeast side runs the most Republican (R+18), a spread of about 65 points.
Why 60115 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 60115, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 79% of residents in 60115 live in densely developed areas, about 43 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 55% of adults in 60115 have never been married, above 97% of zip codes.
Never-married share, developed land, and voter turnout
Places that combine a never-married-heavy adult population and a heavily developed built environment tend to turn out at a lower rate, as 60115, IL does.
Why turnout in 60115 looks the way it does
Renters vote less often than owners. About 57% of households in 60115 rent, about 32 points above the U.S. average of 25%. Limited routine healthcare access lines up with lower turnout, and 60115 sits in the bottom quarter on routine-care measures. High food insecurity lines up with lower turnout, and about 25% of adults in 60115 report food insecurity, above 88% 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.