62536 leans heavily Republican by roughly 36 points: about 32% of voters vote Democratic and 68% Republican.
About 94% of adults in 62536 typically vote, above the U.S. average of about 62%. Among adults in 62536, ~30% vote Democratic, ~64% Republican, and ~6% don't vote. The map below shows estimated turnout by block group.
How 62536 compares
Among zip codes within 15 miles, 62536 leans more Republican than 10 of 21 neighbors.
62536 runs about 47 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while 62536 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 62536. The southeast side is the most Republican-leaning (R+46) and the east side is the least Republican-leaning (R+33), a spread of about 13 points.
Why 62536 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 62536, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 89% of residents in 62536 drive to work alone, about 15 points above the U.S. average of 74%. A high family-household share predicts Republican voting, and about 87% of households in 62536 are family households, in the top fraction of zip codes. 62536 runs against the grain of Illinois, a Republican-leaning pocket in a Democratic-leaning state.
Park access and Republican lean
Places with low park coverage tend to lean Republican; 62536, IL sits in the bottom tenth nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in 62536 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 62536 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 96% of households in 62536 own their home, compared to around 80% in nearby zip codes. High high-school completion lines up with higher turnout, and about 97% of adults in 62536 have completed high school, above 90% 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.