37329 is a Republican stronghold. About 16% of voters here vote Democratic and 84% Republican.
About 67% of adults in 37329 typically vote, near the U.S. average of about 62%. Among adults in 37329, ~11% vote Democratic, ~56% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How 37329 compares
Among zip codes within 15 miles, 37329 leans more Republican than 3 of 8 neighbors.
37329 runs about 38 points more Republican than Tennessee as a whole.
Politics vary noticeably by block within 37329. The east side is the most Republican-leaning (R+74) and the west side is the least Republican-leaning (R+62), a spread of about 11 points.
Why 37329 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 37329, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 83% of residents in 37329 drive to work alone, about 9 points above the U.S. average of 74%. Low college attainment predicts Republican voting, and 37329 sits in the bottom quarter (about 16%, below 76% of zip codes).
Never-married share and voter turnout
Places with a low never-married share tend to turn out at a higher rate; 37329, TN sits in the bottom quarter nationally on this measure.
Why turnout in 37329 looks the way it does
Turnout in 37329 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.