Towns
| State | City/Town | Town Title |
|---|---|---|
| Iowa | Kelley | Kelley, IA |
| Iowa | Kellogg | Kellogg, IA |
| Iowa | Kensett | Kensett, IA |
| Iowa | Keokuk | Keokuk, IA |
| Iowa | Keosauqua | Keosauqua, IA |
| Iowa | Keota | Keota, IA |
| Iowa | Kesley | Kesley, IA |
| Iowa | Keswick | Keswick, IA |
| Iowa | Keystone | Keystone, IA |
| Iowa | Killduff | Killduff, IA |
| Iowa | Kimballton | Kimballton, IA |
| Iowa | Kingsley | Kingsley, IA |
| Iowa | Kirkman | Kirkman, IA |
| Iowa | Kirkville | Kirkville, IA |
| Iowa | Kiron | Kiron, IA |
| Iowa | Klemme | Klemme, IA |
| Iowa | Knierim | Knierim, IA |
| Iowa | Knoxville | Knoxville, IA |
| Iowa | La Motte | La Motte, IA |
| Iowa | La Porte City | La Porte City, IA |
| Iowa | Lacona | Lacona, IA |
| Iowa | Ladora | Ladora, IA |
| Iowa | Lake City | Lake City, IA |
| Iowa | Lake Mills | Lake Mills, IA |
| Iowa | Lake Park | Lake Park, IA |