Barrios de Missouri M
- Manheim Park (6)
- Maple Park (3)
- Maple Park West (4)
- Marina Villa (1)
- Mark Twain (1)
- Marlborough (2)
- Marlborough East (2)
- Marlborough Heights/Pride (13)
- Martin City (1)
- McCoy (2)
- McKinley Heights (1)
- Meadowbrook Heights (6)
- Mehlville (14)
- Melody (1)
- Metro Heights (5)
- Midtown Springfield (7)
- Midtown St Louis (9)
- Mission Lake (3)
- Moline Acres (1)
- Mount Hope (5)
- Mount Pleasant (2)
- Mt Washington (4)
- Murphy (3)