60549 leans heavily Republican by roughly 34 points: about 33% of voters vote Democratic and 67% Republican.
About 65% of adults in 60549 typically vote, near the U.S. average of about 62%. Among adults in 60549, ~21% vote Democratic, ~44% Republican, and ~35% don't vote. The map below shows estimated turnout by block group.
How 60549 compares
Among zip codes within 15 miles, 60549 leans more Republican than 6 of 13 neighbors.
60549 runs about 45 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while 60549 is one of the few Republican-leaning pockets.
Why 60549 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 60549, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 96% of residents in 60549 drive to work alone, about 22 points above the U.S. average of 74%. A high family-household share predicts Republican voting, and about 82% of households in 60549 are family households, above 94% of zip codes. 60549 runs against the grain of Illinois, a Republican-leaning pocket in a Democratic-leaning state.
Population density and Republican lean
Places with low population density tend to lean Republican; 60549, IL sits below the national average on this measure.
Why turnout in 60549 looks the way it does
Turnout in 60549 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.