Summer City is a Republican stronghold. About 15% of voters here vote Democratic and 85% Republican.
About 66% of adults in Summer City typically vote, near the U.S. average of about 62%. Among adults in Summer City, ~10% vote Democratic, ~56% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.
How Summer City compares
Among cities within 25 miles, Summer City leans more Republican than 32 of 58 neighbors.
Summer City runs about 41 points more Republican than Tennessee as a whole.
Why Summer City 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 Summer City, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 5% of adults in Summer City hold a bachelor's degree, about 17 points below the Tennessee average of 22%. Car-dependent areas vote Republican, and about 85% of residents in Summer City drive to work alone, above 82% of cities.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Summer City, TN sits in the bottom 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 Summer City looks the way it does
Homeowners vote more often than renters. About 94% of households in Summer City own their home, about 17 points above the Tennessee average of 77%. Limited routine healthcare access lines up with lower turnout, and Summer City sits in the bottom quarter on routine-care measures. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Morgan Springs, TN R+68
- New Harmony, TN R+72
- Pikeville, TN R+69
- Cold Spring, TN R+73
- Nine Mile, TN R+72
- Emery Mill, TN R+70
- Cumberland Springs, TN R+68
- Mount Crest, TN R+73
- Lees Station, TN R+74
Cities with Similar Populations
- Redwood Lodge, CA D+31
- Moran, TX R+85
- Iron Hill, KY R+63
- Briar, TX R+67
- Howes Mill, MO R+70
- Caney, TX R+38
- Canada Shores, MI R+35
- Cavour, SD R+60
- Blantons, VA R+3
- Isle La Motte, VT R+19
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.