37742 is a Republican stronghold. About 16% of voters here vote Democratic and 84% Republican.
About 71% of adults in 37742 typically vote, above the U.S. average of about 62%. Among adults in 37742, ~11% vote Democratic, ~60% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How 37742 compares
Among zip codes within 15 miles, 37742 is the most Republican-leaning.
37742 runs about 39 points more Republican than Tennessee as a whole.
Why 37742 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 37742, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In 37742, about 97% of residents are non-Hispanic white, about 25 points above the U.S. average of 72%; about 19% of adults hold a bachelor's degree, about 10 points below the U.S. average of 28%. Car-dependent areas vote Republican, and about 85% of residents in 37742 drive to work alone, above 86% of zip codes. A high family-household share predicts Republican voting, and about 74% of households in 37742 are family households, above 77% of zip codes.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 37742, 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 37742 looks the way it does
Homeowners vote more often than renters. About 88% of households in 37742 own their home, about 11 points above the Tennessee average of 77%. Learn more about the findings and methodology on the political spectrum map.
Nearby Zip Codes
Zip Codes with Similar Populations
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.