3 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Cookeville | 1 | 37,802 | 34,939 | 1.54% | 1,057 | 35.77 | City |
| Monterey | 2 | 2,744 | 2,748 | -0.04% | 906 | 3.03 | Town |
| Baxter | 3 | 2,166 | 1,585 | 5.66% | 689 | 3.15 | Town |
Cookeville is the largest city in Putnam County, with a population of 37,802.
Baxter is the smallest city in Putnam County.
There are 3 cities in Putnam County, Tennessee.