- Merna
- Merriman
- Milligan
- Minatare
- Monowi
- Morse Bluff
- Mullen
- Murdock
- Macon
- Manchester Trailer Court
- Maplewood Estates
- Mapps
- Marengo
- Marian Center
- Mariaville
- Marion
- Mark IV Estates
- Martell
- Martin
- Martinview Mobile Home Park
- Martland
- Mascot
- Max
- Mayberry
- McCullough Island
- McDonalds Trailer Court
- McKeag
- McKissick Island
- Meadow
- Meadows Trailer Court