37924 leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.
About 67% of adults in 37924 typically vote, near the U.S. average of about 62%. Among adults in 37924, ~19% vote Democratic, ~48% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How 37924 compares
Among zip codes within 15 miles, 37924 leans more Republican than 12 of 24 neighbors.
37924 runs about 12 points more Republican than Tennessee as a whole.
Politics vary noticeably by block within 37924. The southwest side runs the most Democratic (D+14) and the east side runs the most Republican (R+56), a spread of about 70 points.
Why 37924 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 37924, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 83% of residents in 37924 drive to work alone, about 10 points above the U.S. average of 74%.
Housing overcrowding and voter turnout
Places with low overcrowding tend to turn out at a higher rate; 37924, TN sits in the bottom quarter nationally on this measure.
Why turnout in 37924 looks the way it does
Turnout in 37924 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.