Hamblen County is a Republican stronghold. About 25% of voters here vote Democratic and 75% Republican.
About 64% of adults in Hamblen County typically vote, near the U.S. average of about 62%. Among adults in Hamblen County, ~16% vote Democratic, ~48% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How Hamblen County compares
Among counties within 50 miles, Hamblen County leans more Republican than 4 of 17 neighbors.
Hamblen County runs about 21 points more Republican than Tennessee as a whole.
Politics vary noticeably by city within Hamblen County. The east side is the most Republican-leaning (R+68) and the north side is the least Republican-leaning (R+36), a spread of about 31 points.
Why Hamblen 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 Hamblen County, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 83% of residents in Hamblen County drive to work alone, about 9 points above the U.S. average of 74%.
Non-English at home and voter turnout
Places with a low non-English-at-home share tend to turn out at a higher rate; Hamblen County, TN sits in the bottom quarter nationally on this measure.
Why turnout in Hamblen County looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Hamblen County is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Grainger County, TN R+71
- Jefferson County, TN R+61
- Cocke County, TN R+65
- Hancock County, TN R+77
- Greene County, TN R+62
- Claiborne County, TN R+70
- Union County, TN R+70
- Sevier County, TN R+58
- Hawkins County, TN R+66
- Lee County, VA R+64
Counties with Similar Populations
- Rutherford County, NC R+46
- Isabella County, MI R+3
- Nacogdoches County, TX R+29
- Columbia County, PA R+32
- Carbon County, PA R+35
- Effingham County, GA R+46
- Lamar County, MS R+40
- San Benito County, CA D+12
- Salem County, NJ R+12
- Coos County, OR R+10
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.