Towns
| State | City/Town | Town Title |
|---|---|---|
| Iowa | Percival | Percival, IA |
| Iowa | Perry | Perry, IA |
| Iowa | Persia | Persia, IA |
| Iowa | Peru | Peru, IA |
| Iowa | Peter | Peter, IA |
| Iowa | Peterson | Peterson, IA |
| Iowa | Pierson | Pierson, IA |
| Iowa | Pilot Grove | Pilot Grove, IA |
| Iowa | Pilot Mound | Pilot Mound, IA |
| Iowa | Pisgah | Pisgah, IA |
| Iowa | Plainfield | Plainfield, IA |
| Iowa | Plano | Plano, IA |
| Iowa | Pleasant Valley | Pleasant Valley, IA |
| Iowa | Pleasantville | Pleasantville, IA |
| Iowa | Plover | Plover, IA |
| Iowa | Plymouth | Plymouth, IA |
| Iowa | Pocahontas | Pocahontas, IA |
| Iowa | Polk City | Polk City, IA |
| Iowa | Pomeroy | Pomeroy, IA |
| Iowa | Popejoy | Popejoy, IA |
| Iowa | Portsmouth | Portsmouth, IA |
| Iowa | Postville | Postville, IA |
| Iowa | Prairie City | Prairie City, IA |
| Iowa | Prairieburg | Prairieburg, IA |
| Iowa | Prescott | Prescott, IA |