60970 leans heavily Republican by roughly 34 points: about 33% of voters vote Democratic and 67% Republican.
About 70% of adults in 60970 typically vote, above the U.S. average of about 62%. Among adults in 60970, ~23% vote Democratic, ~47% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.
How 60970 compares
Among zip codes within 15 miles, 60970 is the least Republican-leaning.
60970 runs about 45 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while 60970 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 60970. The northwest side is the most Republican-leaning (R+54) and the east side is the least Republican-leaning (R+27), a spread of about 27 points.
Why 60970 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 60970, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 13% of adults in 60970 hold a bachelor's degree, about 13 points below the Illinois average of 27%. 60970 runs against the grain of Illinois, a Republican-leaning pocket in a Democratic-leaning state.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 60970, IL sits in the bottom quarter 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 60970 looks the way it does
Turnout in 60970 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.