60543 leans slightly Democratic by roughly 8 points: about 54% of voters vote Democratic and 46% Republican.
About 84% of adults in 60543 typically vote, above the U.S. average of about 62%. Among adults in 60543, ~45% vote Democratic, ~39% Republican, and ~16% don't vote. The map below shows estimated turnout by block group.
How 60543 compares
Among zip codes within 15 miles, 60543 leans more Democratic than 12 of 34 neighbors.
Politically, 60543 sits close to the rest of Illinois.
Politics vary noticeably by block within 60543. The northeast side runs the most Democratic (D+16) and the southeast side runs the most Republican (R+3), a spread of about 19 points.
Why 60543 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 60543, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 43% of adults in 60543 hold a bachelor's degree, about 15 points above the U.S. average of 28%. Density combined with diversity predicts Democratic voting, and non-Hispanic white share in 60543 is about 63%, below 75% of zip codes.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 60543, IL sits in the top quarter nationally on this measure.
Why turnout in 60543 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 60543 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 70%, about 10 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 96% of adults in 60543 have completed high school, above 80% 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.