62286 leans heavily Republican by roughly 34 points: about 33% of voters vote Democratic and 67% Republican.
About 75% of adults in 62286 typically vote, above the U.S. average of about 62%. Among adults in 62286, ~25% vote Democratic, ~50% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How 62286 compares
Among zip codes within 15 miles, 62286 is the least Republican-leaning.
62286 runs about 45 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while 62286 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 62286. The west side is the most Republican-leaning (R+58) and the east side is the least Republican-leaning (R+14), a spread of about 44 points.
Why 62286 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 62286, not a ranked or complete list of what matters most.
62286 votes against the grain of Illinois. Illinois leans Democratic overall, while 62286 runs about 45 points more Republican.
Local retail density and voter turnout
Places with dense local retail within a mile tend to turn out at a higher rate; 62286, IL sits in the top quarter nationally on this measure. Nearby retail does not change how people vote; it reflects how urban and built-up a place is.
Why turnout in 62286 looks the way it does
Turnout in 62286 sits close to the national pattern. 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.