- Rocky Creek Trailer Court
- Romsett Summer Home Area
- Ross Hall
- Rising Sun
- Rumsey
- Riverside Trailer Court
- Rocky Boy's Agency
- Renova
- Rice Motel and Trailer Court
- Rieder
- Rock Island
- Round Butte
- Reynolds Trailer Court
- Riebeling
- Rimini
- Riverview Colony
- Ripley
- Rivers Edge Mobile Home Park
- Roosville
- Reserve
- Rocky Point
- Rexford
- Riverbend
- Red Bluff
- Reeder Place
- Rochester
- Ruby
- Richards Trailer Court
- Robinson
- Riverview Trailer Park