6 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Bean Station | 1 | 3,149 | 2,954 | 1.22% | 526 | 6 | City |
| Bean Station | 2 | 3,149 | 2,959 | 1.22% | 526 | 6 | City |
| Blaine | 3 | 2,188 | 2,079 | 0.97% | 230 | 10 | City |
| Blaine | 4 | 2,188 | 2,080 | 0.97% | 230 | 10 | City |
| Rutledge | 5 | 1,353 | 1,326 | 0.37% | 245 | 6 | Town |
| Rutledge | 6 | 1,353 | 1,327 | 0.37% | 245 | 6 | Town |
Bean Station is the largest city in Grainger County, with a population of 3,149.
Rutledge is the smallest city in Grainger County, with a population of 1,353.
There are 6 cities in Grainger County, Tennessee.