62474 is a Republican stronghold. About 23% of voters here vote Democratic and 77% Republican.
About 80% of adults in 62474 typically vote, above the U.S. average of about 62%. Among adults in 62474, ~18% vote Democratic, ~62% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.
How 62474 compares
Among zip codes within 15 miles, 62474 leans more Republican than 2 of 7 neighbors.
62474 runs about 64 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while 62474 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 62474. The south side is the most Republican-leaning (R+63) and the north side is the least Republican-leaning (R+50), a spread of about 12 points.
Why 62474 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 62474, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 88% of residents in 62474 drive to work alone, about 14 points above the U.S. average of 74%. 62474 runs against the grain of Illinois, a Republican-leaning pocket in a Democratic-leaning state.
Renting and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; 62474, IL sits in the bottom tenth nationally on this measure.
Why turnout in 62474 looks the way it does
Homeowners vote more often than renters. About 91% of households in 62474 own their home, about 12 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.