38258 is a Republican stronghold. About 19% of voters here vote Democratic and 81% Republican.
About 65% of adults in 38258 typically vote, near the U.S. average of about 62%. Among adults in 38258, ~12% vote Democratic, ~53% Republican, and ~35% don't vote. The map below shows estimated turnout by block group.
How 38258 compares
Among zip codes within 15 miles, 38258 leans more Republican than 5 of 10 neighbors.
38258 runs about 33 points more Republican than Tennessee as a whole.
Why 38258 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 38258, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 77% of households in 38258 are family households, about 10 points above the U.S. average of 67%. Low college attainment predicts Republican voting, and 38258 sits in the bottom quarter (about 14%, below 84% of zip codes).
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 38258, TN sits below the national average on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in 38258 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 38258 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. 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.