- Madras (Population: 5,078)
- McMinnville (Population: 26,499)
- Medford (Population: 63,154)
- Metzger (Population: 3,354)
- Mill City (Population: 1,537)
- Milton-Freewater (Population: 6,470)
- Milwaukie (Population: 20,490)
- Mission (Population: 1,019)
- Molalla (Population: 5,647)
- Monmouth (Population: 7,741)
- Mount Angel (Population: 3,121)
- Mount Hood Village (Population: 3,306)
- Myrtle Creek (Population: 3,419)
- Myrtle Point (Population: 2,451)
