Huntsville leans slightly Democratic by roughly 12 points: about 56% of voters vote Democratic and 44% Republican.
About 65% of adults in Huntsville typically vote, near the U.S. average of about 62%. Among adults in Huntsville, ~36% vote Democratic, ~29% Republican, and ~35% don't vote. The map below shows estimated turnout by block group.
How Huntsville compares
Among cities within 25 miles, Huntsville leans more Democratic than 53 of 54 neighbors.
Huntsville runs about 42 points more Democratic than Alabama as a whole. Alabama leans Republican overall, while Huntsville is one of the few Democratic-leaning pockets.
Politics vary noticeably by neighborhood within Huntsville. The north side runs the most Democratic (D+65) and the southeast side runs the most Republican (R+24), a spread of about 89 points.
Why Huntsville 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 Huntsville, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 78% of residents in Huntsville live in densely developed areas, about 42 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Huntsville sits in the top quarter (about 43%, above 90% of cities). Huntsville runs against the grain of Alabama, a Democratic-leaning pocket in a Republican-leaning state.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Huntsville, AL sits in the top tenth nationally on this measure.
Why turnout in Huntsville looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Huntsville is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 59%, below 61% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Redstone Arsenal, AL R+2
- Brownsboro, AL R+37
- Willowbrook, AL R+29
- Owens Cross Roads, AL R+41
- Madison, AL R+8
- Moores Mill, AL R+22
- Meridianville, AL R+10
- Gurley, AL R+56
- Harvest, AL R+14
- Triana, AL D+24
Cities with Similar Populations
- Cypress, TX R+14
- Grand Prairie, TX D+22
- Wilmington, DE D+39
- McKinney, TX R+6
- Montgomery, AL D+44
- Frisco, TX R+5
- Sunrise Manor, NV D+20
- Sioux Falls, SD R+5
- Shreveport, LA D+29
- Murfreesboro, TN R+14
Sources and methodology
Precinct-level voting records used to fit the model come from Alabama 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.