- Logan Mills
- Laubach
- Lakeville
- Little Cooley
- Littles Corners
- Luces Corners
- Lynces Junction
- Lyona
- Le High Park
- Lees Cross Roads
- Leidighs
- Liebys Trailer Park
- Limekiln Acres
- Lisburn
- Locust Point
- Longsdorf
- Lakeview Heights
- Laurel Woods
- Lawnford Acres
- Lawton Gardens
- Lenkerville
- Lingle Island
- Little Hollywood Mobile Home Park
- Little Stony Island
- Locust Lane Acres
- Locust Lane Gardens
- Locust Ridge Manor
- Long Lane Acres
- Loyalton
- Lucknow