60623 is a Democratic stronghold. About 76% of voters here vote Democratic and 24% Republican.
About 37% of adults in 60623 typically vote, below the U.S. average of about 62%. Among adults in 60623, ~28% vote Democratic, ~9% Republican, and ~63% don't vote. The map below shows estimated turnout by block group.
How 60623 compares
Among zip codes within 15 miles, 60623 leans more Democratic than 70 of 121 neighbors.
60623 runs about 41 points more Democratic than Illinois as a whole.
Politics vary noticeably by block within 60623. The northwest side is the most Democratic-leaning (D+80) and the south side is the least Democratic-leaning (D+36), a spread of about 45 points.
Why 60623 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 60623, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in 60623 live in densely developed areas, about 63 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 53% of adults in 60623 have never been married, above 96% of zip codes.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 60623, IL sits in the bottom tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in 60623 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 60623 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 43%, about 20 points below the Illinois average of 63%. Renters vote less often than owners, and about 55% of households in 60623 rent, about 30 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 43% of adults in 60623 report food insecurity, in the top fraction 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.