62685 is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.
About 79% of adults in 62685 typically vote, above the U.S. average of about 62%. Among adults in 62685, ~19% vote Democratic, ~60% Republican, and ~21% don't vote. The map below shows estimated turnout by block group.
How 62685 compares
Among zip codes within 15 miles, 62685 leans more Republican than 10 of 15 neighbors.
62685 runs about 62 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while 62685 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 62685. The north side is the most Republican-leaning (R+55) and the south side is the least Republican-leaning (R+42), a spread of about 12 points.
Why 62685 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 62685, not a ranked or complete list of what matters most.
62685 votes against the grain of Illinois. Illinois leans Democratic overall, while 62685 runs about 62 points more Republican. Car-dependent areas vote Republican, and about 86% of residents in 62685 drive to work alone, above 89% of zip codes. A high family-household share predicts Republican voting, and about 76% of households in 62685 are family households, above 82% of zip codes.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; 62685, IL sits above the national average 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 62685 looks the way it does
Turnout in 62685 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.