Hadley is a Republican stronghold. About 18% of voters here vote Democratic and 82% Republican.
About 74% of adults in Hadley typically vote, above the U.S. average of about 62%. Among adults in Hadley, ~13% vote Democratic, ~61% Republican, and ~26% don't vote. The map below shows estimated turnout by block group.
How Hadley compares
Among cities within 25 miles, Hadley leans more Republican than 28 of 60 neighbors.
Hadley runs about 74 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while Hadley is one of the few Republican-leaning pockets.
Why Hadley leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Hadley, not a ranked or complete list of what matters most.
Hadley votes against the grain of Illinois. Illinois leans Democratic overall, while Hadley runs about 74 points more Republican.
Population density, never-married share, and Republican lean
Places that combine low population density and a never-married-heavy adult population tend to lean Republican, as Hadley, IL does.
Why turnout in Hadley looks the way it does
Turnout in Hadley sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Barry, IL R+55
- Baylis, IL R+63
- El Dara, IL R+67
- New Salem, IL R+62
- New Canton, IL R+68
- Beverly, IL R+72
- New Hartford, IL R+67
- Kinderhook, IL R+64
- Fishhook, IL R+62
- Maysville, IL R+60
Cities with Similar Populations
- Xenia, KS R+64
- West Falls, PA R+39
- Gold Creek, MT R+57
- Buffalo, MT R+61
- Roxanna, OH R+45
- Calliham, TX R+59
- Butlerville, OH R+69
- Rumley, AR R+66
- Rogerson, ID R+71
- Hager, WV R+63
All Local Stats
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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.