Barrios de Missouri L
- Ladue (1)
- Lafayette Square (8)
- Lake Saint Louis (17)
- Lake Village (2)
- Lakeview Terrace (2)
- LaSalle Park (1)
- Lea Manor (1)
- Legacy East (3)
- Lemay (4)
- Library District (11)
- Linden Hills & Indian Heights (2)
- Linden Park (1)
- Lindenwood Park (3)
- Line Creek-Northern Heights (5)
- Little Blue Valley (1)
- Loma Vista (3)
- Longfellow (6)
- Longview (2)
- Lowell Place (12)
- Luff (2)
- Lykins (3)