62028 leans heavily Republican by roughly 32 points: about 34% of voters vote Democratic and 66% Republican.
About 62% of adults in 62028 typically vote, near the U.S. average of about 62%. Among adults in 62028, ~21% vote Democratic, ~41% Republican, and ~38% don't vote. The map below shows estimated turnout by block group.
How 62028 compares
Among zip codes within 15 miles, 62028 leans more Republican than 12 of 22 neighbors.
62028 runs about 42 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while 62028 is one of the few Republican-leaning pockets.
Why 62028 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 62028, not a ranked or complete list of what matters most.
62028 votes against the grain of Illinois. Illinois leans Democratic overall, while 62028 runs about 42 points more Republican.
High-school completion and voter turnout
Places with high-school-completion-heavy adults tend to turn out at a higher rate; 62028, IL sits in the top tenth nationally on this measure.
Why turnout in 62028 looks the way it does
Areas with high high-school completion turn out at higher rates. About 98% of adults in 62028 have completed high school, about 6 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.