Shirley is a Republican stronghold. About 15% of voters here vote Democratic and 85% Republican.
About 93% of adults in Shirley typically vote, above the U.S. average of about 62%. Among adults in Shirley, ~14% vote Democratic, ~79% Republican, and ~7% don't vote. The map below shows estimated turnout by block group.
How Shirley compares
Among cities within 25 miles, Shirley leans more Republican than 15 of 52 neighbors.
Shirley runs about 40 points more Republican than Tennessee as a whole.
Why Shirley 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 Shirley, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 12% of adults in Shirley hold a bachelor's degree, about 10 points below the Tennessee average of 22%.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Shirley, TN sits below the national average on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Shirley looks the way it does
Homeowners vote more often than renters. About 97% of households in Shirley own their home, about 20 points above the Tennessee average of 77%. Limited routine healthcare access lines up with lower turnout, and Shirley sits in the bottom quarter on routine-care measures. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Stockton, TN R+67
- Allardt, TN R+66
- Glades, TN R+76
- Rugby, TN R+70
- Jamestown, TN R+68
- East Jamestown, TN R+65
- Deer Lodge, TN R+74
- Sunbright, TN R+75
- Huffman, TN R+75
- Roslin, TN R+69
Cities with Similar Populations
- Aaron, KY R+74
- Willow Island, NE R+68
- Beaver Creek, IL R+61
- Rosamond, IL R+60
- Piney Ridge, NC R+30
- Plano, IN R+62
- McGregor, GA R+42
- Woodside, DE R+17
- Moody, MO R+73
- Bunyan, TX R+73
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.