There are 17 cities in Chickasaw County, Iowa.
Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)
City | Rank | State | 2024 Population | 2020 Census | Annual Change | Density (mi²) | Area (mi²) |
|---|---|---|---|---|---|---|---|
| Charles City | 1 | Iowa | 7,176 | 7,382 | -0.72% | 1,172 | 6.12 |
| New Hampton | 2 | Iowa | 3,399 | 3,491 | -0.67% | 1,014 | 3.35 |
| Sumner | 3 | Iowa | 2,032 | 2,027 | 0.05% | 827 | 2.46 |
| Nashua | 4 | Iowa | 1,487 | 1,549 | -1.06% | 509 | 2.92 |
| Fredericksburg | 5 | Iowa | 972 | 986 | -0.41% | 1,080 | 0.90 |
| Lawler | 6 | Iowa | 389 | 408 | -1.27% | 407 | 0.95 |
| Floyd | 7 | Iowa | 303 | 311 | -0.66% | 549 | 0.55 |
| Protivin | 8 | Iowa | 258 | 265 | -0.77% | 586 | 0.44 |
| Waucoma | 9 | Iowa | 226 | 229 | -0.44% | 483 | 0.47 |
| Ionia | 10 | Iowa | 216 | 228 | -1.37% | 383 | 0.56 |
| Alta Vista | 11 | Iowa | 214 | 226 | -1.38% | 285 | 0.75 |
| Frederika | 12 | Iowa | 206 | 204 | 0% | 561 | 0.37 |
| St. Lucas | 13 | Iowa | 167 | 167 | 0% | 657 | 0.25 |
| North Washington | 14 | Iowa | 106 | 112 | -1.85% | 522 | 0.20 |
| Colwell | 15 | Iowa | 56 | 58 | -1.75% | 339 | 0.17 |
| Bassett | 16 | Iowa | 41 | 43 | -2.38% | 105 | 0.39 |
| Jackson Junction | 17 | Iowa | 39 | 37 | 0% | 7 | 5.96 |
Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.
Charles City is the largest city in Chickasaw County.
Jackson Junction is the smallest city in Chickasaw County.
There are 17 cities in Chickasaw County, Iowa.