62924 leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.
About 62% of adults in 62924 typically vote, near the U.S. average of about 62%. Among adults in 62924, ~18% vote Democratic, ~44% Republican, and ~38% don't vote. The map below shows estimated turnout by block group.
How 62924 compares
Among zip codes within 15 miles, 62924 leans more Republican than 9 of 22 neighbors.
62924 runs about 53 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while 62924 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 62924. The west side is the most split-leaning (R+51) and the southeast side is the least split-leaning (Even), a spread of about 50 points.
Why 62924 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 62924, not a ranked or complete list of what matters most.
62924 votes against the grain of Illinois. Illinois leans Democratic overall, while 62924 runs about 53 points more Republican.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 62924, IL sits below the national average on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 62924 looks the way it does
Turnout in 62924 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.