- La Crew
- La Motte
- La Porte City
- Lacelle
- Lacey
- Lacona
- Ladoga
- Ladora
- Lafayette
- Lainsville
- Lake Canyada Mobile Home Park
- Lake City
- Lake Mills
- Lake Panorama
- Lake Park
- Lake Ridge Mobile Home Park
- Lake View
- Lakeside
- Lakeside Acres Mobile Park
- Lakeview
- Lakeview Mobile Home Court
- Lakewood
- Lakewood Corner
- Lakewood Park
- Lakonta
- Lakota
- Lambs Grove
- LaMoille
- Lamoni
- Lamont