Towns
| State | City/Town | Town Title |
|---|---|---|
| Iowa | Letts | Letts, IA |
| Iowa | Lewis | Lewis, IA |
| Iowa | Liberty Center | Liberty Center, IA |
| Iowa | Libertyville | Libertyville, IA |
| Iowa | Lidderdale | Lidderdale, IA |
| Iowa | Lime Springs | Lime Springs, IA |
| Iowa | Lincoln | Lincoln, IA |
| Iowa | Linden | Linden, IA |
| Iowa | Lineville | Lineville, IA |
| Iowa | Linn Grove | Linn Grove, IA |
| Iowa | Lisbon | Lisbon, IA |
| Iowa | Liscomb | Liscomb, IA |
| Iowa | Little Cedar | Little Cedar, IA |
| Iowa | Little Rock | Little Rock, IA |
| Iowa | Little Sioux | Little Sioux, IA |
| Iowa | Livermore | Livermore, IA |
| Iowa | Lockridge | Lockridge, IA |
| Iowa | Logan | Logan, IA |
| Iowa | Lohrville | Lohrville, IA |
| Iowa | Lone Rock | Lone Rock, IA |
| Iowa | Lone Tree | Lone Tree, IA |
| Iowa | Long Grove | Long Grove, IA |
| Iowa | Lorimor | Lorimor, IA |
| Iowa | Lost Nation | Lost Nation, IA |
| Iowa | Lovilia | Lovilia, IA |