Greene County is a Republican stronghold. About 19% of voters here vote Democratic and 81% Republican.
About 66% of adults in Greene County typically vote, near the U.S. average of about 62%. Among adults in Greene County, ~13% vote Democratic, ~53% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.
How Greene County compares
Among counties within 50 miles, Greene County leans more Republican than 13 of 20 neighbors.
Greene County runs about 32 points more Republican than Tennessee as a whole.
Politics vary noticeably by city within Greene County. The southwest side is the most Republican-leaning (R+72) and the east side is the least Republican-leaning (R+53), a spread of about 19 points.
Why Greene 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 Greene 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 Greene County, about 92% of residents are non-Hispanic white, about 19 points above the U.S. average of 72%; about 19% of adults hold a bachelor's degree, about 10 points below the U.S. average of 28%.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; Greene County, TN sits below the national average 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 Greene County looks the way it does
Turnout in Greene 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
- Hawkins County, TN R+66
- Washington County, TN R+37
- Unicoi County, TN R+57
- Cocke County, TN R+65
- Madison County, NC R+34
- Hamblen County, TN R+51
- Hancock County, TN R+77
- Sullivan County, TN R+50
- Yancey County, NC R+43
- Jefferson County, TN R+61
Counties with Similar Populations
- York County, VA R+3
- Iberia Parish, LA R+24
- Portage County, WI R+7
- Ward County, ND R+32
- Columbia County, FL R+44
- Boone County, IN R+19
- Troup County, GA R+11
- Klamath County, OR R+33
- Greenwood County, SC R+18
- Lewis and Clark County, MT R+7
All Local Stats
Home Services
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.