Spencer is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 67% of adults in Spencer typically vote, near the U.S. average of about 62%. Among adults in Spencer, ~15% vote Democratic, ~52% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How Spencer compares
Among cities within 25 miles, Spencer leans more Republican than 1 of 64 neighbors.
Spencer runs about 27 points more Republican than Tennessee as a whole.
Politics vary noticeably by neighborhood within Spencer. The west side is the most Republican-leaning (R+71) and the northeast side is the least Republican-leaning (R+42), a spread of about 29 points.
Why Spencer 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 Spencer, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 8% of adults in Spencer hold a bachelor's degree, about 14 points below the Tennessee average of 22%.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Spencer, TN sits in the bottom 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 Spencer looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Spencer is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Sampson, TN R+72
- Dodson, TN R+71
- Cummingsville, TN R+70
- Mount Crest, TN R+73
- Sparkman, TN R+72
- River Hill, TN R+70
- Welchland, TN R+70
- Emery Mill, TN R+70
- Lost Creek, TN R+71
- Pikeville, TN R+69
Cities with Similar Populations
- Roland, OK R+52
- Sherman, IL R+25
- Dyersville, IA R+34
- Englewood, TN R+68
- Montrose-Ghent, OH Even
- Paintsville, KY R+57
- Chamberlayne, VA D+51
- Momence, IL R+25
- Munford, AL R+50
- West York, PA D+6
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.