- Madbury (Population: 1,509)
- Madison (Population: 1,984)
- Manchester (Population: 107,006)
- Marlborough (Population: 2,009)
- Mason (Population: 1,147)
- Meredith (Population: 5,943)
- Merrimack (Population: 25,119)
- Middleton (Population: 1,440)
- Milan (Population: 1,331)
- Milford (Population: 13,535)
- Milton (Population: 3,910)
- Mont Vernon (Population: 2,034)
- Moultonborough (Population: 4,484)
