62555 is a Republican stronghold. About 23% of voters here vote Democratic and 77% Republican.
About 44% of adults in 62555 typically vote, below the U.S. average of about 62%. Among adults in 62555, ~10% vote Democratic, ~34% Republican, and ~56% don't vote. The map below shows estimated turnout by block group.
How 62555 compares
Among zip codes within 15 miles, 62555 leans more Republican than 5 of 15 neighbors.
62555 runs about 64 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while 62555 is one of the few Republican-leaning pockets.
Why 62555 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 62555, not a ranked or complete list of what matters most.
62555 votes against the grain of Illinois. Illinois leans Democratic overall, while 62555 runs about 64 points more Republican. Low college attainment predicts Republican voting, and 62555 sits in the bottom quarter (about 12%, below 89% of zip codes). A high family-household share predicts Republican voting, and about 84% of households in 62555 are family households, above 97% of zip codes.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 62555, IL sits below the national average 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 62555 looks the way it does
Areas with low high-school completion turn out at lower rates. About 83% of adults in 62555 have completed high school, about 7 points below the U.S. average of 90%. 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.