14 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Independence | Jackson County | 121,325 |
| Imperial | Jefferson County | 5,554 |
| Ironton | Iron County | 1,437 |
| Indian Lake | Crawford County | 1,250 |
| Iberia | Miller County | 724 |
| Innsbrook | Lincoln County | 673 |
| Iron Mountain Lake | Iron County | 639 |
| Indian Point | Stone County | 589 |
| Irondale | Washington County | 368 |
| Iantha | Barton County | 95 |
| Ionia | Benton County | 78 |
| Irwin | Barton County | 51 |
| Iatan | Platte County | 43 |
| Irena | Harrison County | 12 |