4 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Tullahoma | 1 | 21,407 | 20,392 | 0.96% | 913 | 23.44 | City |
| Manchester | 2 | 13,943 | 12,265 | 2.47% | 909 | 15.34 | City |
| New Union | 3 | 1,802 | 1,819 | 1.35% | 469 | 3.84 | CDP |
| Hillsboro | 4 | 276 | 338 | -4.17% | 67 | 4.12 | CDP |
Tullahoma is the largest city in Coffee County, with a population of 21,407.
Hillsboro is the smallest city in Coffee County.
There are 4 cities in Coffee County, Tennessee.