62535 leans heavily Republican by roughly 32 points: about 34% of voters vote Democratic and 66% Republican.
About 91% of adults in 62535 typically vote, above the U.S. average of about 62%. Among adults in 62535, ~31% vote Democratic, ~60% Republican, and ~9% don't vote. The map below shows estimated turnout by block group.
How 62535 compares
Among zip codes within 15 miles, 62535 leans more Republican than 4 of 19 neighbors.
62535 runs about 44 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while 62535 is one of the few Republican-leaning pockets.
Why 62535 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 62535, not a ranked or complete list of what matters most.
62535 votes against the grain of Illinois. Illinois leans Democratic overall, while 62535 runs about 44 points more Republican. A high family-household share predicts Republican voting, and about 81% of households in 62535 are family households, above 93% of zip codes.
High-school completion, uninsured rate, and voter turnout
Places that combine high-school-completion-heavy adults and a low uninsured rate tend to turn out at a higher rate, as 62535, IL does.
Why turnout in 62535 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 62535 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 71%, about 11 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 90% of households in 62535 own their home, compared to around 73% in nearby zip codes. High high-school completion lines up with higher turnout, and about 98% of adults in 62535 have completed high school, above 95% 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.