Henderson is a Republican stronghold. About 19% of voters here vote Democratic and 81% Republican.
About 83% of adults in Henderson typically vote, above the U.S. average of about 62%. Among adults in Henderson, ~16% vote Democratic, ~67% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How Henderson compares
Among cities within 25 miles, Henderson leans more Republican than 17 of 51 neighbors.
Henderson runs about 44 points more Republican than Missouri as a whole.
Politics vary noticeably by neighborhood within Henderson. The southwest side is the most Republican-leaning (R+66) and the west side is the least Republican-leaning (R+51), a spread of about 15 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.
Areas with many family households vote Republican. About 78% of households in Henderson are family households, about 11 points above the U.S. average of 67%.
Frequent mental distress and voter turnout
Places with a low frequent-mental-distress rate tend to turn out at a higher rate; Henderson, MO sits in the bottom tenth nationally on this measure. Reported mental distress does not drive turnout; it reflects economic and health conditions tied to voting.
Why turnout in Henderson looks the way it does
Areas with high high-school completion turn out at higher rates. About 97% of adults in Henderson have completed high school, about 7 points above the Missouri average of 89%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Rogersville, MO R+52
- Fordland, MO R+68
- Linden, MO R+65
- Ongo, MO R+65
- Olga, MO R+70
- Bruner, MO R+67
- Sparta, MO R+64
- Oldfield, MO R+67
- McCracken, MO R+58
- Strafford, MO R+56
Cities with Similar Populations
- Mckeown, SC Even
- Edwards, NY R+40
- Spraggs, PA R+59
- Condon, OR R+45
- View, ID R+75
- Osborn, MO R+62
- West Union, IL R+58
- Lake Church, WI R+38
- Wiley, CO R+64
- Jasper, VA R+65
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Sources and methodology
Precinct-level voting records used to fit the model come from Missouri Secretary of State, 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.