Overton County is a Republican stronghold. About 16% of voters here vote Democratic and 84% Republican.
About 67% of adults in Overton County typically vote, near the U.S. average of about 62%. Among adults in Overton County, ~11% vote Democratic, ~56% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How Overton County compares
Among counties within 50 miles, Overton County leans more Republican than 11 of 20 neighbors.
Overton County runs about 38 points more Republican than Tennessee as a whole.
Why Overton County leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Overton County, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In Overton County, about 94% of residents are non-Hispanic white, about 22 points above the U.S. average of 72%; about 15% of adults hold a bachelor's degree, about 7 points below the Tennessee average of 22%. Car-dependent areas vote Republican, and about 83% of residents in Overton County drive to work alone, above 88% of counties.
Population density and Republican lean
Places with low population density tend to lean Republican; Overton County, TN sits in the bottom quarter nationally on this measure.
Why turnout in Overton County looks the way it does
Turnout in Overton County sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Putnam County, TN R+43
- Jackson County, TN R+65
- Pickett County, TN R+70
- Clay County, TN R+67
- Fentress County, TN R+68
- Clinton County, KY R+72
- White County, TN R+66
- Cumberland County, KY R+67
- Cumberland County, TN R+57
- Monroe County, KY R+69
Counties with Similar Populations
- Panola County, TX R+62
- Brooke County, WV R+42
- Washington County, IA R+33
- Beckham County, OK R+67
- Sumner County, KS R+50
- Mercer County, KY R+52
- Rockbridge County, VA R+36
- Ouachita County, AR R+14
- Johnson County, KY R+66
- Leelanau County, MI Even
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.