37207 is a Democratic stronghold. About 83% of voters here vote Democratic and 17% Republican.
About 58% of adults in 37207 typically vote, near the U.S. average of about 62%. Among adults in 37207, ~48% vote Democratic, ~10% Republican, and ~42% don't vote. The map below shows estimated turnout by block group.
How 37207 compares
Among zip codes within 15 miles, 37207 is the most Democratic-leaning.
37207 runs about 95 points more Democratic than Tennessee as a whole. Tennessee leans Republican overall, while 37207 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 37207. The west side is the most Democratic-leaning (D+80) and the northeast side is the least Democratic-leaning (D+55), a spread of about 25 points.
Why 37207 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 37207, not a ranked or complete list of what matters most.
Density combined with diversity predicts Democratic voting. Non-Hispanic white share in 37207 is about 28%, about 44 points below the U.S. average of 72%. A high never-married share predicts Democratic voting, and about 48% of adults in 37207 have never been married, above 94% of zip codes. 37207 runs against the grain of Tennessee, a Democratic-leaning pocket in a Republican-leaning state.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 37207, TN sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 37207 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 37207 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 49%, about 6 points below the Tennessee average of 56%. Renters vote less often than owners, and about 44% of households in 37207 rent, compared to around 59% in nearby 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.