3 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Cookeville | 1 | 38,184 | 34,937 | 1.44% | 1,060 | 36 | City |
| Monterey | 2 | 2,819 | 2,749 | 0.43% | 931 | 3 | Town |
| Baxter | 3 | 2,283 | 1,586 | 5.35% | 726 | 3 | Town |
Cookeville is the largest city in Putnam County, with a population of 38,184.
Baxter is the smallest city in Putnam County, with a population of 2,283.
There are 3 cities in Putnam County, Tennessee.