38329 is a Republican stronghold. About 14% of voters here vote Democratic and 86% Republican.
About 69% of adults in 38329 typically vote, above the U.S. average of about 62%. Among adults in 38329, ~10% vote Democratic, ~59% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How 38329 compares
Among zip codes within 15 miles, 38329 leans more Republican than 2 of 9 neighbors.
38329 runs about 42 points more Republican than Tennessee as a whole.
Why 38329 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 38329, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 13% of adults in 38329 hold a bachelor's degree, about 9 points below the Tennessee average of 22%. Car-dependent areas vote Republican, and about 84% of residents in 38329 drive to work alone, above 86% of zip codes. A high family-household share predicts Republican voting, and about 75% of households in 38329 are family households, above 80% of zip codes.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 38329, TN sits below the national average on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in 38329 looks the way it does
Limited routine healthcare access lines up with lower turnout, and 38329 sits in the bottom quarter on routine-care measures. 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.