Towns
| State | City/Town | Town Title |
|---|---|---|
| Iowa | Low Moor | Low Moor, IA |
| Iowa | Lowden | Lowden, IA |
| Iowa | Lu Verne | Lu Verne, IA |
| Iowa | Luana | Luana, IA |
| Iowa | Lucas | Lucas, IA |
| Iowa | Luther | Luther, IA |
| Iowa | Luxemburg | Luxemburg, IA |
| Iowa | Luzerne | Luzerne, IA |
| Iowa | Lynnville | Lynnville, IA |
| Iowa | Lytton | Lytton, IA |
| Iowa | Macedonia | Macedonia, IA |
| Iowa | Macksburg | Macksburg, IA |
| Iowa | Madrid | Madrid, IA |
| Iowa | Magnolia | Magnolia, IA |
| Iowa | Malcom | Malcom, IA |
| Iowa | Mallard | Mallard, IA |
| Iowa | Malvern | Malvern, IA |
| Iowa | Manchester | Manchester, IA |
| Iowa | Manilla | Manilla, IA |
| Iowa | Manly | Manly, IA |
| Iowa | Manning | Manning, IA |
| Iowa | Manson | Manson, IA |
| Iowa | Mapleton | Mapleton, IA |
| Iowa | Maquoketa | Maquoketa, IA |
| Iowa | Marathon | Marathon, IA |