Towns
| State | City/Town | Town Title |
|---|---|---|
| Iowa | Preston | Preston, IA |
| Iowa | Primghar | Primghar, IA |
| Iowa | Princeton | Princeton, IA |
| Iowa | Prole | Prole, IA |
| Iowa | Promise City | Promise City, IA |
| Iowa | Protivin | Protivin, IA |
| Iowa | Pulaski | Pulaski, IA |
| Iowa | Quasqueton | Quasqueton, IA |
| Iowa | Quimby | Quimby, IA |
| Iowa | Radcliffe | Radcliffe, IA |
| Iowa | Rake | Rake, IA |
| Iowa | Ralston | Ralston, IA |
| Iowa | Randalia | Randalia, IA |
| Iowa | Randall | Randall, IA |
| Iowa | Randolph | Randolph, IA |
| Iowa | Raymond | Raymond, IA |
| Iowa | Readlyn | Readlyn, IA |
| Iowa | Reasnor | Reasnor, IA |
| Iowa | Red Oak | Red Oak, IA |
| Iowa | Redding | Redding, IA |
| Iowa | Redfield | Redfield, IA |
| Iowa | Reinbeck | Reinbeck, IA |
| Iowa | Rembrandt | Rembrandt, IA |
| Iowa | Remsen | Remsen, IA |
| Iowa | Renwick | Renwick, IA |