North Henderson leans heavily Republican by roughly 32 points: about 34% of voters vote Democratic and 66% Republican.
About 91% of adults in North Henderson typically vote, above the U.S. average of about 62%. Among adults in North Henderson, ~31% vote Democratic, ~60% Republican, and ~9% don't vote. The map below shows estimated turnout by block group.
How North Henderson compares
Among cities within 25 miles, North Henderson leans more Republican than 18 of 59 neighbors.
North Henderson runs about 42 points more Republican than Illinois as a whole. Illinois leans Democratic overall, while North Henderson is one of the few Republican-leaning pockets.
Why North Henderson 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 North Henderson, not a ranked or complete list of what matters most.
North Henderson votes against the grain of Illinois. Illinois leans Democratic overall, while North Henderson runs about 42 points more Republican.
High-school completion, developed land, and voter turnout
Places that combine high-school-completion-heavy adults and a rural land-use pattern tend to turn out at a higher rate, as North Henderson, IL does.
Why turnout in North Henderson looks the way it does
Homeowners vote more often than renters. About 96% of households in North Henderson own their home, about 17 points above the Illinois average of 80%. High high-school completion lines up with higher turnout, and about 97% of adults in North Henderson have completed high school, above 91% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Rio, IL R+39
- Alexis, IL R+38
- Windsor Mercer County, IL R+31
- Shanghai City, IL R+42
- Henderson Grove, IL R+32
- New Windsor, IL R+31
- Burgess, IL R+35
- Alpha, IL R+34
- Viola, IL R+27
- Henderson, IL R+34
Cities with Similar Populations
- Logsden, OR R+8
- Talmage, NE R+55
- West Washington, ME R+30
- Burkittsville, MD R+18
- Berrydale, FL R+81
- Shaw, MN R+6
- Hysham, MT R+66
- Collinwood, VA R+73
- Monero, NM D+33
- Oakville, PA R+54
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.