62908 is a Republican stronghold. About 18% of voters here vote Democratic and 82% Republican.
About 76% of adults in 62908 typically vote, above the U.S. average of about 62%. Among adults in 62908, ~14% vote Democratic, ~62% Republican, and ~24% don't vote. The map below shows estimated turnout by block group.
How 62908 compares
Among zip codes within 15 miles, 62908 is the most Republican-leaning.
62908 runs about 75 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while 62908 is one of the few Republican-leaning pockets.
Why 62908 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 62908, not a ranked or complete list of what matters most.
62908 votes against the grain of Illinois. Illinois leans Democratic overall, while 62908 runs about 75 points more Republican. Car-dependent areas vote Republican, and about 85% of residents in 62908 drive to work alone, above 86% of zip codes. A high family-household share predicts Republican voting, and about 76% of households in 62908 are family households, above 84% of zip codes.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 62908, IL sits below the national average on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in 62908 looks the way it does
Homeowners vote more often than renters. About 93% of households in 62908 own their home, about 14 points above the Illinois average of 80%. 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.