62871 is a Republican stronghold. About 19% of voters here vote Democratic and 81% Republican.
About 65% of adults in 62871 typically vote, near the U.S. average of about 62%. Among adults in 62871, ~12% vote Democratic, ~53% Republican, and ~35% don't vote. The map below shows estimated turnout by block group.
How 62871 compares
Among zip codes within 15 miles, 62871 leans more Republican than 4 of 11 neighbors.
62871 runs about 72 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while 62871 is one of the few Republican-leaning pockets.
Why 62871 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 62871, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In 62871, about 97% of residents are non-Hispanic white, about 24 points above the U.S. average of 72%; about 15% of adults hold a bachelor's degree, about 12 points below the Illinois average of 27%. Rural areas vote Republican, and 62871 sits in the bottom quarter on density (about 6%, below 75% of zip codes). 62871 runs against the grain of Illinois, a Republican-leaning pocket in a Democratic-leaning state.
Population density and Republican lean
Places with low population density tend to lean Republican; 62871, IL sits in the bottom quarter nationally on this measure.
Why turnout in 62871 looks the way it does
Areas with high high-school completion turn out at higher rates. About 97% of adults in 62871 have completed high school, about 7 points above 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.