61924 is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 68% of adults in 61924 typically vote, above the U.S. average of about 62%. Among adults in 61924, ~15% vote Democratic, ~53% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.
How 61924 compares
Among zip codes within 15 miles, 61924 leans more Republican than 3 of 14 neighbors.
61924 runs about 67 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while 61924 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 61924. The southwest side is the most Republican-leaning (R+63) and the west side is the least Republican-leaning (R+48), a spread of about 15 points.
Why 61924 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 61924, not a ranked or complete list of what matters most.
61924 votes against the grain of Illinois. Illinois leans Democratic overall, while 61924 runs about 67 points more Republican. Car-dependent areas vote Republican, and about 84% of residents in 61924 drive to work alone, above 85% of zip codes.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 61924, 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 61924 looks the way it does
Turnout in 61924 sits close to the national pattern. 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.