- Ridgecrest
- Riderville
- River Hill
- Rhea
- Reilly Springs
- Rockdale
- Ratcliff
- Refuge
- Reynard
- Ross City
- Reavilon
- Red Bluff
- Robertson
- Radar Base
- Richland
- Rocky Point Center
- Ralls
- Ranchette Estates
- Ranchitos Las Lomas
- Rancho Alegre
- Rancho Banquete
- Rancho Chico
- Rancho Viejo
- Ranchos Penitas West
- Rangerville
- Ransom Canyon
- Ratamosa
- Raymondville
- Realitos
- Red Lick