12 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Tama | 1 | 3,000 | 3,115 | -0.76% | 1,010 | 2.97 | City |
| Toledo | 2 | 2,393 | 2,368 | 0.21% | 1,043 | 2.29 | City |
| Traer | 3 | 1,531 | 1,576 | -0.58% | 1,188 | 1.29 | City |
| Dysart | 4 | 1,250 | 1,277 | -0.4% | 999 | 1.25 | City |
| Gladbrook | 5 | 769 | 799 | -0.77% | 1,103 | 0.70 | City |
| Garwin | 6 | 464 | 483 | -0.85% | 461 | 1.01 | City |
| Chelsea | 7 | 216 | 226 | -0.92% | 213 | 1.01 | City |
| Clutier | 8 | 206 | 211 | -0.48% | 275 | 0.75 | City |
| Montour | 9 | 196 | 201 | -0.51% | 429 | 0.46 | City |
| Elberon | 10 | 177 | 182 | -0.56% | 270 | 0.66 | City |
| Lincoln | 11 | 117 | 122 | -0.85% | 209 | 0.56 | City |
| Vining | 12 | 51 | 53 | 0% | 92 | 0.55 | City |
Tama is the largest city in Tama County, with a population of 3,000.
Vining is the smallest city in Tama County.
There are 12 cities in Tama County, Iowa.