62547 is a Republican stronghold. About 21% of voters here vote Democratic and 79% Republican.
About 74% of adults in 62547 typically vote, above the U.S. average of about 62%. Among adults in 62547, ~16% vote Democratic, ~58% Republican, and ~26% don't vote. The map below shows estimated turnout by block group.
How 62547 compares
Among zip codes within 15 miles, 62547 leans more Republican than 14 of 16 neighbors.
62547 runs about 68 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while 62547 is one of the few Republican-leaning pockets.
Why 62547 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 62547, not a ranked or complete list of what matters most.
62547 votes against the grain of Illinois. Illinois leans Democratic overall, while 62547 runs about 68 points more Republican. Rural areas vote Republican, and 62547 sits in the bottom quarter on density (about 6%, below 78% of zip codes). A high white share with below-average college attainment predicts Republican voting, and 62547 fits that profile on both counts.
Population density and Republican lean
Places with low population density tend to lean Republican; 62547, IL sits in the bottom quarter nationally on this measure.
Why turnout in 62547 looks the way it does
Homeowners vote more often than renters. About 91% of households in 62547 own their home, about 12 points above the Illinois average of 80%. High high-school completion lines up with higher turnout, and about 96% of adults in 62547 have completed high school, above 82% 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.