3 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Morristown | 1 | 33,178 | 30,480 | 1.65% | 1,191 | 27.87 | City |
| Russellville | 2 | 1,062 | 785 | 7.06% | 1,022 | 1.04 | CDP |
| Baneberry | 3 | 594 | 526 | 2.41% | 334 | 1.78 | City |
Morristown is the largest city in Hamblen County, with a population of 33,178.
Baneberry is the smallest city in Hamblen County.
There are 3 cities in Hamblen County, Tennessee.