61614 leans Democratic by roughly 22 points: about 61% of voters vote Democratic and 39% Republican.
About 77% of adults in 61614 typically vote, above the U.S. average of about 62%. Among adults in 61614, ~47% vote Democratic, ~30% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.
How 61614 compares
Among zip codes within 15 miles, 61614 leans more Democratic than 20 of 26 neighbors.
61614 runs about 11 points more Democratic than Illinois as a whole.
Why 61614 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 61614, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 89% of residents in 61614 live in densely developed areas, about 52 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 61614 sits in the top quarter (about 46%, above 86% of zip codes). A high never-married share predicts Democratic voting, and about 34% of adults in 61614 have never been married, above 77% of zip codes.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; 61614, IL sits in the top 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 61614 looks the way it does
Areas with high high-school completion turn out at higher rates. About 97% of adults in 61614 have completed high school, about 5 points above the Illinois average of 92%. 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.