61410 leans heavily Republican by roughly 32 points: about 34% of voters vote Democratic and 66% Republican.
About 71% of adults in 61410 typically vote, above the U.S. average of about 62%. Among adults in 61410, ~24% vote Democratic, ~47% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How 61410 compares
Among zip codes within 15 miles, 61410 leans more Republican than 4 of 14 neighbors.
61410 runs about 43 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while 61410 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 61410. The southeast side is the most Republican-leaning (R+44) and the west side is the least Republican-leaning (R+28), a spread of about 16 points.
Why 61410 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 61410, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 89% of residents in 61410 drive to work alone, about 15 points above the U.S. average of 74%. 61410 runs against the grain of Illinois, a Republican-leaning pocket in a Democratic-leaning state.
Housing overcrowding and voter turnout
Places with low overcrowding tend to turn out at a higher rate; 61410, IL sits in the bottom quarter nationally on this measure.
Why turnout in 61410 looks the way it does
Turnout in 61410 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.