37922 leans Republican by roughly 18 points: about 41% of voters vote Democratic and 59% Republican.
About 87% of adults in 37922 typically vote, above the U.S. average of about 62%. Among adults in 37922, ~36% vote Democratic, ~51% Republican, and ~13% don't vote. The map below shows estimated turnout by block group.
How 37922 compares
Among zip codes within 15 miles, 37922 leans more Republican than 12 of 26 neighbors.
37922 runs about 11 points more Democratic than Tennessee as a whole.
Politics vary noticeably by block within 37922. The southwest side is the most Republican-leaning (R+31) and the north side is the least Republican-leaning (R+6), a spread of about 25 points.
Why 37922 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 37922, not a ranked or complete list of what matters most.
37922 votes Republican even though it is densely developed (about 75%, far above the Tennessee average of 21%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 78% of households in 37922 are family households, above 87% of zip codes.
High-school completion, uninsured rate, and voter turnout
Places that combine high-school-completion-heavy adults and a low uninsured rate tend to turn out at a higher rate, as 37922, TN does.
Why turnout in 37922 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 37922 is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 71%, about 11 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in 37922 have completed high school, above 93% 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.