- Midway
- Midway
- Midway Mobile Home Park
- Midway Trailer Court
- Mifflin
- Mifflin Cottage Area
- Mifflinville
- Mil-mar Trailer Court
- Milan
- Miles
- Miley Crossroads
- Milford
- Milford Center
- Milford Estates
- Milfordton
- Mill Creek Estates
- Mill Grove
- Mill Mobile Home Park
- Mill Rock
- Mill Run
- Millbourne Mobile Manor
- Millbrook
- Millbrook
- Millbury
- Milledgeville
- Miller
- Miller City
- Miller Estates
- Miller Grove
- Miller Lakes