61449 leans heavily Republican by roughly 48 points: about 26% of voters vote Democratic and 74% Republican.
About 97% of adults in 61449 typically vote, above the U.S. average of about 62%. Among adults in 61449, ~25% vote Democratic, ~72% Republican, and ~3% don't vote. The map below shows estimated turnout by block group.
How 61449 compares
Among zip codes within 15 miles, 61449 leans more Republican than 10 of 12 neighbors.
61449 runs about 58 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while 61449 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 61449. The southeast side is the most Republican-leaning (R+55) and the northwest side is the least Republican-leaning (R+38), a spread of about 17 points.
Why 61449 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 61449, not a ranked or complete list of what matters most.
61449 votes against the grain of Illinois. Illinois leans Democratic overall, while 61449 runs about 58 points more Republican. Rural areas vote Republican, and 61449 sits in the bottom quarter on density (about 5%, below 82% of zip codes).
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 61449, IL sits in the bottom quarter nationally 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 61449 looks the way it does
Homeowners vote more often than renters. About 89% of households in 61449 own their home, about 10 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.