62087 leans heavily Republican by roughly 38 points: about 31% of voters vote Democratic and 69% Republican.
About 55% of adults in 62087 typically vote, below the U.S. average of about 62%. Among adults in 62087, ~17% vote Democratic, ~38% Republican, and ~45% don't vote. The map below shows estimated turnout by block group.
How 62087 compares
Among zip codes within 15 miles, 62087 leans more Republican than 33 of 37 neighbors.
62087 runs about 50 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while 62087 is one of the few Republican-leaning pockets.
Why 62087 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 62087, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 6% of adults in 62087 hold a bachelor's degree, about 21 points below the Illinois average of 27%. 62087 runs against the grain of Illinois, a Republican-leaning pocket in a Democratic-leaning state.
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 62087, IL does.
Why turnout in 62087 looks the way it does
Low high-school completion lines up with lower turnout, and about 87% of adults in 62087 have completed high school, below 76% 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.