3 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Bean Station | 1 | 3,142 | 2,964 | 1.16% | 525 | 5.99 | City |
| Blaine | 2 | 2,176 | 2,083 | 0.88% | 229 | 9.52 | City |
| Rutledge | 3 | 1,337 | 1,321 | 0.22% | 242 | 5.53 | Town |
Bean Station is the largest city in Grainger County, with a population of 3,142.
Rutledge is the smallest city in Grainger County.
There are 3 cities in Grainger County, Tennessee.