Thornhill is a true toss-up. About 48% of voters here vote Democratic and 52% Republican.
About 48% of adults in Thornhill typically vote, below the U.S. average of about 62%. Among adults in Thornhill, ~23% vote Democratic, ~25% Republican, and ~52% don't vote. The map below shows estimated turnout by block group.
How Thornhill compares
Among neighborhoods within 5 miles, Thornhill leans more Republican than 7 of 23 neighbors.
Thornhill runs about 27 points more Democratic than Alabama as a whole.
Why Thornhill leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Thornhill. The lean here lands roughly where demographic data alone would predict.
Homeownership and voter turnout
Places with renter-heavy households tend to turn out at a lower rate; Thornhill, Mobile, AL sits in the bottom tenth nationally on this measure.
Why turnout in Thornhill looks the way it does
Renters vote less often than owners. About 84% of households in Thornhill rent, about 59 points above the U.S. average of 25%. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Sheldon, Mobile, AL R+13
- Berkleigh, Mobile, AL R+24
- Reichlieu, Mobile, AL D+21
- Overton, Mobile, AL R+8
- Westhill, Mobile, AL R+7
- Claremont, Mobile, AL R+18
- Second Creek, Mobile, AL R+21
- Malibar Heights, Mobile, AL D+14
- Jackson Heights, Mobile, AL D+10
- Yorkwood, Mobile, AL R+29
Neighborhoods with Similar Populations
- Gibbs, Canton, OH D+33
- Cherokee Triangle, Louisville, KY D+60
- Hudson, San Bernardino, CA D+12
- Raleigh West, Beaverton, OR D+46
- Coffey Park, Santa Rosa, CA D+35
- Castle Manor, Milwaukee, WI D+15
- Canterbury, Mobile, AL R+5
- Floral Park, Butte, MT D+6
- Goodrich-Kirtland Park, Cleveland, OH D+45
- Lagonda, Springfield, OH R+18
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.