37010 is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 78% of adults in 37010 typically vote, above the U.S. average of about 62%. Among adults in 37010, ~17% vote Democratic, ~60% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.
How 37010 compares
Among zip codes within 15 miles, 37010 leans more Republican than 7 of 10 neighbors.
37010 runs about 26 points more Republican than Tennessee as a whole.
Politics vary noticeably by block within 37010. The east side is the most Republican-leaning (R+68) and the southwest side is the least Republican-leaning (R+47), a spread of about 21 points.
Why 37010 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 37010, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 79% of households in 37010 are family households, about 12 points above the U.S. average of 67%.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; 37010, TN sits in the top quarter nationally on this measure.
Why turnout in 37010 looks the way it does
Homeowners vote more often than renters. About 90% of households in 37010 own their home, about 13 points above the Tennessee average of 77%. High high-school completion lines up with higher turnout, and about 96% of adults in 37010 have completed high school, above 80% of zip codes. 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.