60605 is a Democratic stronghold. About 85% of voters here vote Democratic and 15% Republican.
About 55% of adults in 60605 typically vote, below the U.S. average of about 62%. Among adults in 60605, ~47% vote Democratic, ~8% Republican, and ~45% don't vote. The map below shows estimated turnout by block group.
How 60605 compares
Among zip codes within 15 miles, 60605 leans more Democratic than 76 of 104 neighbors.
60605 runs about 58 points more Democratic than Illinois as a whole.
Why 60605 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 60605, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 94% of residents in 60605 live in densely developed areas, about 58 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 60605 sits in the top quarter (about 83%, in the top fraction of zip codes). A high never-married share predicts Democratic voting, and about 53% of adults in 60605 have never been married, above 96% of zip codes.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 60605, IL sits in the top tenth nationally on this measure.
Why turnout in 60605 looks the way it does
Renters vote less often than owners. About 56% of households in 60605 rent, about 31 points above the U.S. average of 25%. Strong routine healthcare access lines up with higher turnout, and 60605 sits in the top quarter on routine-care measures. 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.