Union leans heavily Democratic by roughly 46 points: about 73% of voters vote Democratic and 27% Republican.
About 76% of adults in Union typically vote, above the U.S. average of about 62%. Among adults in Union, ~55% vote Democratic, ~21% Republican, and ~24% don't vote. The map below shows estimated turnout by block group.
How Union compares
Among cities within 25 miles, Union leans more Democratic than 28 of 39 neighbors.
Union runs about 77 points more Democratic than Alabama as a whole. Alabama leans Republican overall, while Union is one of the few Democratic-leaning pockets.
Why Union 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 Union, not a ranked or complete list of what matters most.
Rural, majority-Black areas of the Southern Black Belt vote Democratic, against the usual rural pattern. About 85% of residents in Union are Black or African American, about 61 points above the Alabama average of 24%. A high never-married share predicts Democratic voting, and about 31% of adults in Union have never been married, above 78% of cities. Union runs against the grain of Alabama, a Democratic-leaning pocket in a Republican-leaning state.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; Union, AL sits in the top tenth nationally on this measure.
Why turnout in Union looks the way it does
Homeowners vote more often than renters. About 95% of households in Union own their home, about 17 points above the Alabama average of 78%. Limited routine healthcare access lines up with lower turnout, and Union sits in the bottom quarter on routine-care measures. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Snoddy, AL D+35
- Lewiston, AL D+32
- Knoxville, AL D+13
- Eutaw, AL D+52
- Ralph, AL R+31
- Clinton, AL D+50
- Mount Hebron, AL D+46
- Fosters, AL R+44
- Evansville, AL D+19
Cities with Similar Populations
- Hillside Colony, SD R+54
- Hightowers, NC D+18
- Holly Grove, TX R+81
- Yankee Hill, CA R+23
- Moores Corners, PA R+50
- Prosper, MN R+36
- Eakles Mill, MD R+30
- Kelsa, VA R+71
- North River, NY Even
- Gertrude, KY R+60
All Local Stats
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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.