Sevier County is a Republican stronghold. About 21% of voters here vote Democratic and 79% Republican.
About 71% of adults in Sevier County typically vote, above the U.S. average of about 62%. Among adults in Sevier County, ~15% vote Democratic, ~56% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How Sevier County compares
Among counties within 50 miles, Sevier County leans more Republican than 8 of 18 neighbors.
Sevier County runs about 29 points more Republican than Tennessee as a whole.
Politics vary noticeably by city within Sevier County. The northeast side is the most Republican-leaning (R+67) and the south side is the least Republican-leaning (R+51), a spread of about 16 points.
Why Sevier County leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Sevier County. The lean here lands roughly where demographic data alone would predict.
Cholesterol-screening access and voter turnout
Places with high cholesterol-screening access tend to turn out at a higher rate; Sevier County, TN sits above the national average on this measure. Cholesterol screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Sevier County looks the way it does
Turnout in Sevier County 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 Counties
- Jefferson County, TN R+61
- Blount County, TN R+49
- Cocke County, TN R+65
- Knox County, TN R+13
- Grainger County, TN R+71
- Hamblen County, TN R+51
- Union County, TN R+70
- Swain County, NC R+27
- Anderson County, TN R+39
- Graham County, NC R+62
Counties with Similar Populations
- Burleigh County, ND R+32
- Story County, IA D+14
- Floyd County, GA R+37
- Madison County, TN R+2
- Portsmouth City, VA D+41
- Putnam County, NY R+13
- Grant County, WA R+34
- Marshall County, AL R+64
- Ashtabula County, OH R+32
- Lafourche Parish, LA R+55
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.