60451 leans Republican by roughly 22 points: about 39% of voters vote Democratic and 61% Republican.
About 94% of adults in 60451 typically vote, above the U.S. average of about 62%. Among adults in 60451, ~37% vote Democratic, ~57% Republican, and ~6% don't vote. The map below shows estimated turnout by block group.
How 60451 compares
Among zip codes within 15 miles, 60451 leans more Republican than 32 of 36 neighbors.
60451 runs about 33 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while 60451 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 60451. The northeast side is the most Republican-leaning (R+28) and the north side is the least Republican-leaning (R+18), a spread of about 10 points.
Why 60451 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 60451, not a ranked or complete list of what matters most.
60451 votes Republican even though it is densely developed (about 71%, far above the Illinois average of 33%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 82% of households in 60451 are family households, above 95% of zip codes. 60451 runs against the grain of Illinois, a Republican-leaning pocket in a Democratic-leaning state.
Food insecurity and voter turnout
Places with low food insecurity tend to turn out at a higher rate; 60451, IL sits in the bottom tenth nationally on this measure. Food insecurity does not directly drive turnout; it reflects economic hardship, which lines up with lower voting.
Why turnout in 60451 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 60451 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 73%, about 13 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 93% of households in 60451 own their home, about 18 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 97% of adults in 60451 have completed high school, above 92% 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.