38132 is a Democratic stronghold. About 77% of voters here vote Democratic and 23% Republican.
About 48% of adults in 38132 typically vote, below the U.S. average of about 62%. Among adults in 38132, ~37% vote Democratic, ~11% Republican, and ~52% don't vote. The map below shows estimated turnout by block group.
How 38132 compares
Among zip codes within 15 miles, 38132 leans more Democratic than 25 of 40 neighbors.
38132 runs about 83 points more Democratic than Tennessee as a whole. Tennessee leans Republican overall, while 38132 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 38132. The east side is the most Democratic-leaning (D+54) and the southeast side is the least Democratic-leaning (D+23), a spread of about 31 points.
Why 38132 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 38132, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 90% of residents in 38132 live in densely developed areas, about 54 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 44% of adults in 38132 have never been married, above 91% of zip codes. 38132 runs against the grain of Tennessee, a Democratic-leaning pocket in a Republican-leaning state.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 38132, 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 38132 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 38132 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Low high-school completion lines up with lower turnout, and about 71% of adults in 38132 have completed high school, below 97% of zip codes. High-crime urban areas turn out at lower rates, and 38132 sits in the top 15% on a violent-crime measure. 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.