10 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Estherville | 1 | 5,777 | 5,902 | -0.33% | 1,072 | 5 | City |
| Estherville | 2 | 5,777 | 5,871 | -0.33% | 1,072 | 5 | City |
| Armstrong | 3 | 841 | 873 | -0.71% | 951 | 1 | City |
| Armstrong | 4 | 841 | 869 | -0.71% | 951 | 1 | City |
| Ringsted | 5 | 342 | 364 | -1.16% | 343 | 1 | City |
| Ringsted | 6 | 342 | 362 | -1.16% | 343 | 1 | City |
| Wallingford | 7 | 152 | 163 | -1.3% | 154 | 1 | City |
| Wallingford | 8 | 152 | 162 | -1.3% | 154 | 1 | City |
| Dolliver | 9 | 62 | 66 | -1.59% | 182 | 0 | City |
| Dolliver | 10 | 62 | 66 | -1.59% | 182 | 0 | City |
Estherville is the largest city in Emmet County, with a population of 5,777.
Dolliver is the smallest city in Emmet County, with a population of 62.
There are 10 cities in Emmet County, Iowa.