38080 leans heavily Republican by roughly 48 points: about 26% of voters vote Democratic and 74% Republican.
About 52% of adults in 38080 typically vote, below the U.S. average of about 62%. Among adults in 38080, ~14% vote Democratic, ~38% Republican, and ~48% don't vote. The map below shows estimated turnout by block group.
How 38080 compares
Among zip codes within 15 miles, 38080 leans more Republican than 2 of 8 neighbors.
38080 runs about 19 points more Republican than Tennessee as a whole.
Politics vary noticeably by block within 38080. The southeast side is the most Republican-leaning (R+76) and the north side is the least Republican-leaning (R+28), a spread of about 48 points.
Why 38080 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 38080, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 14% of adults in 38080 hold a bachelor's degree, about 8 points below the Tennessee average of 22%.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 38080, TN sits in the bottom quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in 38080 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 38080 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 49% of households in 38080 rent, about 24 points above the U.S. average of 25%. Low high-school completion lines up with lower turnout, and about 72% of adults in 38080 have completed high school, below 97% 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.