37601 leans heavily Republican by roughly 32 points: about 34% of voters vote Democratic and 66% Republican.
About 61% of adults in 37601 typically vote, near the U.S. average of about 62%. Among adults in 37601, ~21% vote Democratic, ~40% Republican, and ~39% don't vote. The map below shows estimated turnout by block group.
How 37601 compares
Among zip codes within 15 miles, 37601 leans more Republican than 2 of 15 neighbors.
Politically, 37601 sits close to the rest of Tennessee.
Politics vary noticeably by block within 37601. The southwest side runs the most Democratic (D+14) and the east side runs the most Republican (R+61), a spread of about 76 points.
Why 37601 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 37601, not a ranked or complete list of what matters most.
37601 votes Republican even though it is densely developed (about 67%, far above the Tennessee average of 21%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Never-married share, developed land, and voter turnout
Places that combine a never-married-heavy adult population and a heavily developed built environment tend to turn out at a lower rate, as 37601, TN does.
Why turnout in 37601 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 37601 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 42% of households in 37601 rent, compared to around 26% in nearby 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.