60459 leans slightly Republican by roughly 8 points: about 46% of voters vote Democratic and 54% Republican.
About 55% of adults in 60459 typically vote, below the U.S. average of about 62%. Among adults in 60459, ~25% vote Democratic, ~30% Republican, and ~45% don't vote. The map below shows estimated turnout by block group.
How 60459 compares
Among zip codes within 15 miles, 60459 leans more Republican than 110 of 120 neighbors.
60459 runs about 19 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while 60459 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 60459. The northeast side runs the most Democratic (D+3) and the west side runs the most Republican (R+14), a spread of about 17 points.
Why 60459 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 60459, not a ranked or complete list of what matters most.
60459 votes Republican even though it is densely developed (more than 99%, far above the Illinois average of 33%). State and regional patterns outweigh the Democratic lean that density usually predicts here. Low college attainment predicts Republican voting, and 60459 sits in the bottom quarter (about 15%, below 82% of zip codes). A high family-household share predicts Republican voting, and about 78% of households in 60459 are family households, above 87% 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 60459, IL does.
Why turnout in 60459 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 60459 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 22% of adults in 60459 report food insecurity, above 83% 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.