Tarrant leans heavily Democratic by roughly 48 points: about 74% of voters vote Democratic and 26% Republican.
About 47% of adults in Tarrant typically vote, below the U.S. average of about 62%. Among adults in Tarrant, ~34% vote Democratic, ~12% Republican, and ~54% don't vote. The map below shows estimated turnout by block group.
How Tarrant compares
Among cities within 25 miles, Tarrant leans more Democratic than 69 of 77 neighbors.
Tarrant runs about 79 points more Democratic than Alabama as a whole. Alabama leans Republican overall, while Tarrant is one of the few Democratic-leaning pockets.
Politics vary noticeably by neighborhood within Tarrant. The southwest side is the most Democratic-leaning (D+68) and the north side is the least Democratic-leaning (D+3), a spread of about 65 points.
Why Tarrant 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 Tarrant, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 83% of residents in Tarrant live in densely developed areas, about 47 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 41% of adults in Tarrant have never been married, above 94% of cities. Tarrant runs against the grain of Alabama, a Democratic-leaning pocket in a Republican-leaning state.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Tarrant, AL sits in the top tenth 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 Tarrant looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Tarrant is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 44%, about 10 points below the Alabama average of 54%. Renters vote less often than owners, and about 58% of households in Tarrant rent, compared to around 28% in nearby cities. High food insecurity lines up with lower turnout, and about 36% of adults in Tarrant report food insecurity, above 98% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Fultondale, AL R+3
- Birmingham, AL R+12
- Irondale, AL Even
- Center Point, AL D+67
- Gardendale, AL R+43
- Mountain Brook, AL R+23
- Forestdale, AL D+72
- Mount Olive, AL R+58
- Homewood, AL D+14
- Brookside, AL R+45
Cities with Similar Populations
- Kentfield, CA D+54
- Kingston, GA R+69
- Pembroke Park, FL D+43
- Pine Brook, NJ Even
- Iola, KS R+42
- Freeburg, IL R+36
- Sparks Glencoe, MD D+3
- Jonesboro, LA R+26
- Osceola, IA R+35
- Chickasaw, AL D+6
All Local Stats
Home Services
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.