37211 leans Democratic by roughly 16 points: about 58% of voters vote Democratic and 42% Republican.
About 51% of adults in 37211 typically vote, below the U.S. average of about 62%. Among adults in 37211, ~30% vote Democratic, ~21% Republican, and ~49% don't vote. The map below shows estimated turnout by block group.
How 37211 compares
Among zip codes within 15 miles, 37211 leans more Democratic than 16 of 34 neighbors.
37211 runs about 47 points more Democratic than Tennessee as a whole. Tennessee leans Republican overall, while 37211 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 37211. The northwest side is the most Democratic-leaning (D+25) and the southeast side is the least Democratic-leaning (D+8), a spread of about 16 points.
Why 37211 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 37211, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 93% of residents in 37211 live in densely developed areas, about 57 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 37211 sits in the top quarter (about 42%, above 83% of zip codes). 37211 runs against the grain of Tennessee, a Democratic-leaning pocket in a Republican-leaning state.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 37211, TN sits in the top quarter nationally on this measure.
Why turnout in 37211 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 37211 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 50% of households in 37211 rent, about 25 points above the U.S. average of 25%. 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.