62285 leans heavily Republican by roughly 44 points: about 28% of voters vote Democratic and 72% Republican.
About 93% of adults in 62285 typically vote, above the U.S. average of about 62%. Among adults in 62285, ~26% vote Democratic, ~67% Republican, and ~7% don't vote. The map below shows estimated turnout by block group.
How 62285 compares
Among zip codes within 15 miles, 62285 leans more Republican than 17 of 21 neighbors.
62285 runs about 56 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while 62285 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 62285. The southeast side is the most Republican-leaning (R+55) and the north side is the least Republican-leaning (R+39), a spread of about 16 points.
Why 62285 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 62285, not a ranked or complete list of what matters most.
62285 votes against the grain of Illinois. Illinois leans Democratic overall, while 62285 runs about 56 points more Republican. A high family-household share predicts Republican voting, and about 82% of households in 62285 are family households, above 94% of zip codes.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; 62285, IL sits in the top 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 62285 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 62285 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 70%, about 10 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 94% of households in 62285 own their home, compared to around 78% in nearby zip codes. High high-school completion lines up with higher turnout, and about 98% of adults in 62285 have completed high school, above 93% 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.