Henderson leans Democratic by roughly 28 points: about 64% of voters vote Democratic and 36% Republican.
About 71% of adults in Henderson typically vote, above the U.S. average of about 62%. Among adults in Henderson, ~45% vote Democratic, ~26% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How Henderson compares
Among cities within 25 miles, Henderson leans more Democratic than 62 of 67 neighbors.
Henderson runs about 31 points more Democratic than North Carolina as a whole. North Carolina leans Republican overall, while Henderson is one of the few Democratic-leaning pockets.
Politics vary noticeably by neighborhood within Henderson. The north side runs the most Democratic (D+49) and the southwest side runs the most Republican (R+4), a spread of about 53 points.
Why 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 Henderson, not a ranked or complete list of what matters most.
Density combined with diversity predicts Democratic voting. Non-Hispanic white share in Henderson is about 34%, about 38 points below the U.S. average of 72%. A high never-married share predicts Democratic voting, and about 40% of adults in Henderson have never been married, above 93% of cities. Henderson runs against the grain of North Carolina, a Democratic-leaning pocket in a Republican-leaning state.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Henderson, NC sits in the top quarter nationally on this measure.
Why turnout in Henderson looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Henderson is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- North Henderson, NC D+29
- South Henderson, NC R+6
- Middleburg, NC D+8
- Huntsboro, NC R+21
- Rocky Ford, NC Even
- Dexter, NC Even
- Kittrell, NC R+17
- Dickerson, NC R+19
- Fairport, NC R+38
- Townsville, NC D+8
Cities with Similar Populations
- O'Fallon, IL D+8
- Oceanside, NY R+17
- Tewksbury, MA Even
- Grand Haven, MI R+10
- Denison, TX R+37
- Elmira, NY D+3
- Coventry, RI R+4
- Shaker Heights, OH D+72
- Ponchatoula, LA R+51
- Newtown, PA D+7
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from North Carolina 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.