37729 is a Republican stronghold. About 14% of voters here vote Democratic and 86% Republican.
About 49% of adults in 37729 typically vote, below the U.S. average of about 62%. Among adults in 37729, ~7% vote Democratic, ~42% Republican, and ~51% don't vote. The map below shows estimated turnout by block group.
How 37729 compares
Among zip codes within 15 miles, 37729 leans more Republican than 3 of 9 neighbors.
37729 runs about 43 points more Republican than Tennessee as a whole.
Why 37729 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 37729. The lean here lands roughly where demographic data alone would predict.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 37729, TN sits in the bottom quarter nationally 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 37729 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 37729 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 50%, about 6 points below the Tennessee average of 56%. Low high-school completion lines up with lower turnout, and about 72% of adults in 37729 have completed high school, below 97% of zip codes. High-crime urban areas turn out at lower rates, and 37729 sits in the top 15% on a violent-crime measure. 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.