37029 is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.
About 73% of adults in 37029 typically vote, above the U.S. average of about 62%. Among adults in 37029, ~18% vote Democratic, ~56% Republican, and ~26% don't vote. The map below shows estimated turnout by block group.
How 37029 compares
Among zip codes within 15 miles, 37029 leans more Republican than 4 of 10 neighbors.
37029 runs about 23 points more Republican than Tennessee as a whole.
Politics vary noticeably by block within 37029. The east side is the most Republican-leaning (R+59) and the southwest side is the least Republican-leaning (R+47), a spread of about 13 points.
Why 37029 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 37029, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 80% of households in 37029 are family households, about 13 points above the U.S. average of 67%.
Renting and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; 37029, TN sits in the bottom tenth nationally on this measure.
Why turnout in 37029 looks the way it does
Homeowners vote more often than renters. About 91% of households in 37029 own their home, about 14 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.