| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Estherville | 1 | 5,780 | 5,879 | -0.46% | 1,073 | 5 | City |
| Armstrong | 2 | 822 | 866 | -0.72% | 930 | 1 | City |
| Ringsted | 3 | 337 | 363 | -1.17% | 338 | 1 | City |
| Wallingford | 4 | 150 | 163 | -1.32% | 152 | 1 | City |
| Dolliver | 5 | 59 | 66 | -1.67% | 173 | 0 | City |
Estherville is the largest city in Emmet County, with a population of 5,780.
Dolliver is the smallest city in Emmet County, with a population of 59.
There are 5 cities in Emmet County, Iowa.