- Riverside
- Riverside
- Riverside Trailer Court
- Riverside Trailer Court
- Riverview
- Riverview Colony
- Riverview Trailer Park
- Rivulet
- Roanwood
- Roberts
- Robinson
- Robinsons Trailer Park
- Rochester
- Rock Crossing
- Rock Island
- Rock Island
- Rock Springs
- Rocker
- Rockport Colony
- Rocks Trailer Court
- Rockvale
- Rocky Boy
- Rocky Boy's Agency
- Rocky Boys West
- Rocky Creek Trailer Court
- Rocky Crossing
- Rocky Mountain Trailer Park
- Rocky Point
- Rogers
- Rollins