61725 leans heavily Republican by roughly 40 points: about 30% of voters vote Democratic and 70% Republican.
About 95% of adults in 61725 typically vote, above the U.S. average of about 62%. Among adults in 61725, ~28% vote Democratic, ~67% Republican, and ~5% don't vote. The map below shows estimated turnout by block group.
How 61725 compares
Among zip codes within 15 miles, 61725 leans more Republican than 8 of 17 neighbors.
61725 runs about 51 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while 61725 is one of the few Republican-leaning pockets.
Why 61725 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 61725, not a ranked or complete list of what matters most.
61725 votes against the grain of Illinois. Illinois leans Democratic overall, while 61725 runs about 51 points more Republican. A high family-household share predicts Republican voting, and about 77% of households in 61725 are family households, above 84% of zip codes.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; 61725, IL sits in the top quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in 61725 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 61725 is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 69%, about 9 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 91% of households in 61725 own their home, about 16 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 99% of adults in 61725 have completed high school, above 98% of zip codes. 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.