Henderson is a true toss-up. About 49% of voters here vote Democratic and 51% Republican.
About 69% of adults in Henderson typically vote, above the U.S. average of about 62%. Among adults in Henderson, ~34% vote Democratic, ~35% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How Henderson compares
Among cities within 25 miles, Henderson sits roughly in the middle of the political spectrum, with 44 neighbors leaning further in the place's direction and 18 leaning the other way.
Henderson runs about 13 points more Republican than Colorado as a whole. Colorado leans Democratic overall, while Henderson sits closer to the political middle.
Politics vary noticeably by neighborhood within Henderson. The southwest side runs the most Democratic (D+11) and the northeast side runs the most Republican (R+10), a spread of about 21 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.
Henderson votes against the grain of Colorado. Colorado leans Democratic overall, while Henderson runs about 13 points more Republican.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Henderson, CO sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
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
- Commerce City, CO D+4
- Derby, CO D+13
- Thornton, CO D+12
- Brighton, CO R+5
- Northglenn, CO D+12
- Welby, CO D+16
- Todd Creek, CO R+30
- Federal Heights, CO D+18
- Sherrelwood, CO D+22
- North Washington, CO Even
Cities with Similar Populations
- Ruther Glen, VA R+11
- Middleton, ID R+60
- Hazel Crest, IL D+80
- Decatur, TX R+63
- Waconia, MN R+14
- Babylon, NY R+14
- Canal Fulton, OH R+33
- Conneaut, OH R+25
- Blue Ash, OH D+10
- Damascus, MD D+18
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from Colorado 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.