| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Pocahontas | 1 | 1,792 | 1,870 | -0.61% | 907 | 2 | City |
| Laurens | 2 | 1,211 | 1,264 | -0.49% | 1,600 | 1 | City |
| Fonda | 3 | 620 | 638 | -0.32% | 618 | 1 | City |
| Rolfe | 4 | 486 | 510 | -0.61% | 462 | 1 | City |
| Palmer | 5 | 132 | 139 | -0.75% | 312 | 0 | City |
| Havelock | 6 | 120 | 127 | -0.83% | 215 | 1 | City |
| Varina | 7 | 65 | 68 | -1.52% | 294 | 0 | City |
| Plover | 8 | 50 | 53 | -1.96% | 89 | 1 | City |
Pocahontas is the largest city in Pocahontas County, with a population of 1,792.
Plover is the smallest city in Pocahontas County, with a population of 50.
There are 8 cities in Pocahontas County, Iowa.