Capitol Hill is a Republican stronghold. About 18% of voters here vote Democratic and 82% Republican.
About 71% of adults in Capitol Hill typically vote, above the U.S. average of about 62%. Among adults in Capitol Hill, ~13% vote Democratic, ~58% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How Capitol Hill compares
Among cities within 25 miles, Capitol Hill leans more Republican than 16 of 58 neighbors.
Capitol Hill runs about 35 points more Republican than Tennessee as a whole.
Why Capitol Hill leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Capitol Hill. The lean here lands roughly where demographic data alone would predict.
High-school completion and voter turnout
Places with high-school-completion-heavy adults tend to turn out at a higher rate; Capitol Hill, TN sits in the top quarter nationally on this measure.
Why turnout in Capitol Hill looks the way it does
Areas with high high-school completion turn out at higher rates. About 96% of adults in Capitol Hill have completed high school, about 9 points above the Tennessee average of 88%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Estill Springs, TN R+66
- Center Grove, TN R+69
- Tullahoma, TN R+47
- Winchester Springs, TN R+70
- Belmont, TN R+63
- Ridgeville, TN R+69
- Decherd, TN R+58
- Gum Creek, TN R+70
- Winchester, TN R+55
- Rutledge Falls, TN R+65
Cities with Similar Populations
- Lamasco, KY R+60
- Big Indian, NY D+35
- Beechwood, MI R+29
- Pleasant Hill, GA R+21
- Pennsdale, PA R+56
- Voltaire, ND R+55
- Harman, VA R+49
- Goober Hill, TX R+70
- Bobo, MS Even
- Rek Hill, TX R+74
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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.