| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Pocahontas | 1 | 1,837 | 1,869 | -0.27% | 930 | 2 | City |
| Laurens | 2 | 1,248 | 1,263 | -0.16% | 1,649 | 1 | City |
| Fonda | 3 | 636 | 636 | 0% | 633 | 1 | City |
| Rolfe | 4 | 502 | 511 | -0.2% | 477 | 1 | City |
| Palmer | 5 | 136 | 139 | 0% | 322 | 0 | City |
| Havelock | 6 | 126 | 129 | 0% | 225 | 1 | City |
| Varina | 7 | 68 | 70 | 0% | 308 | 0 | City |
| Plover | 8 | 52 | 52 | 0% | 93 | 1 | City |
Pocahontas is the largest city in Pocahontas County, with a population of 1,837.
Plover is the smallest city in Pocahontas County, with a population of 52.
There are 8 cities in Pocahontas County, Iowa.