Alcoa leans Republican by roughly 26 points: about 37% of voters vote Democratic and 63% Republican.
About 67% of adults in Alcoa typically vote, near the U.S. average of about 62%. Among adults in Alcoa, ~25% vote Democratic, ~42% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How Alcoa compares
Among cities within 25 miles, Alcoa leans more Republican than 2 of 39 neighbors.
Politically, Alcoa sits close to the rest of Tennessee.
Politics vary noticeably by neighborhood within Alcoa. The south side runs the most Democratic (D+22) and the northwest side runs the most Republican (R+47), a spread of about 70 points.
Why Alcoa 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 Alcoa, not a ranked or complete list of what matters most.
Alcoa votes Republican even though it is densely developed (about 67%, far above the Tennessee average of 21%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Alcoa, TN 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 Alcoa looks the way it does
Turnout in Alcoa sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Louisville, TN R+48
- Rockford, TN R+54
- Maryville, TN R+48
- Friendsville, TN R+61
- Walland, TN R+63
- Knoxville, TN R+32
- Tallassee, TN R+64
- Farragut, TN R+23
- Greenback, TN R+69
- Seymour, TN R+60
Cities with Similar Populations
- Poquoson, VA R+38
- Monaca, PA R+21
- Nappanee, IN R+57
- Hamilton Square, NJ Even
- Wickliffe, OH R+4
- Carbondale, PA R+12
- Williamston, SC R+60
- Bellbrook, OH R+19
- Waupun, WI R+21
- Arkadelphia, AR R+4
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from Tennessee Secretary of State, Division of 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.