60706 leans Republican by roughly 18 points: about 41% of voters vote Democratic and 59% Republican.
About 62% of adults in 60706 typically vote, near the U.S. average of about 62%. Among adults in 60706, ~25% vote Democratic, ~37% Republican, and ~38% don't vote. The map below shows estimated turnout by block group.
How 60706 compares
Among zip codes within 15 miles, 60706 is the most Republican-leaning.
60706 runs about 29 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while 60706 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 60706. The northwest side is the most Republican-leaning (R+23) and the northeast side is the least Republican-leaning (R+11), a spread of about 11 points.
Why 60706 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 60706, not a ranked or complete list of what matters most.
60706 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. 60706 runs against the grain of Illinois, a Republican-leaning pocket in a Democratic-leaning state.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 60706, IL sits in the top tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 60706 looks the way it does
Crowded housing lines up with lower turnout. About 5% of homes in 60706 have more than one occupant per room, above 84% 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.