60109 leans heavily Republican by roughly 36 points: about 32% of voters vote Democratic and 68% Republican.
About 91% of adults in 60109 typically vote, above the U.S. average of about 62%. Among adults in 60109, ~29% vote Democratic, ~62% Republican, and ~9% don't vote. The map below shows estimated turnout by block group.
How 60109 compares
Among zip codes within 15 miles, 60109 leans more Republican than 21 of 22 neighbors.
60109 runs about 47 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while 60109 is one of the few Republican-leaning pockets.
Why 60109 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 60109, not a ranked or complete list of what matters most.
60109 votes against the grain of Illinois. Illinois leans Democratic overall, while 60109 runs about 47 points more Republican. A high family-household share predicts Republican voting, and about 77% of households in 60109 are family households, above 86% of zip codes.
Food insecurity and voter turnout
Places with low food insecurity tend to turn out at a higher rate; 60109, IL sits in the bottom quarter nationally on this measure. Food insecurity does not directly drive turnout; it reflects economic hardship, which lines up with lower voting.
Why turnout in 60109 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 60109 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 69%, about 9 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.