37845 is a Republican stronghold. About 16% of voters here vote Democratic and 84% Republican.
About 63% of adults in 37845 typically vote, near the U.S. average of about 62%. Among adults in 37845, ~10% vote Democratic, ~53% Republican, and ~37% don't vote. The map below shows estimated turnout by block group.
How 37845 compares
Among zip codes within 15 miles, 37845 leans more Republican than 5 of 8 neighbors.
37845 runs about 39 points more Republican than Tennessee as a whole.
Why 37845 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 37845, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In 37845, about 99% of residents are non-Hispanic white, about 27 points above the U.S. average of 72%; about 6% of adults hold a bachelor's degree, about 16 points below the Tennessee average of 22%. Car-dependent areas vote Republican, and about 83% of residents in 37845 drive to work alone, above 81% of zip codes. A high family-household share predicts Republican voting, and about 77% of households in 37845 are family households, above 86% of zip codes.
Never-married share, developed land, and voter turnout
Places that combine a low never-married share and a rural land-use pattern tend to turn out at a higher rate, as 37845, TN does.
Why turnout in 37845 looks the way it does
Turnout in 37845 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.