37167 leans slightly Republican by roughly 14 points: about 43% of voters vote Democratic and 57% Republican.
About 60% of adults in 37167 typically vote, near the U.S. average of about 62%. Among adults in 37167, ~26% vote Democratic, ~34% Republican, and ~40% don't vote. The map below shows estimated turnout by block group.
How 37167 compares
Among zip codes within 15 miles, 37167 leans more Republican than 6 of 13 neighbors.
37167 runs about 15 points more Democratic than Tennessee as a whole.
Politics vary noticeably by block within 37167. The northwest side runs the most Democratic (D+16) and the southwest side runs the most Republican (R+29), a spread of about 45 points.
Why 37167 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 37167, not a ranked or complete list of what matters most.
37167 votes Republican even though it is densely developed (about 68%, far above the Tennessee average of 21%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; 37167, TN sits in the bottom quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 37167 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 37167 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 36% of households in 37167 rent, above 83% 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.