Towns
| State | City/Town | Town Title |
|---|---|---|
| New Mexico | San Cristobal | San Cristobal, NM |
| New Mexico | San Fidel | San Fidel, NM |
| New Mexico | San Jon | San Jon, NM |
| New Mexico | San Jose | San Jose, NM |
| New Mexico | San Juan Pueblo | San Juan Pueblo, NM |
| New Mexico | San Miguel | San Miguel, NM |
| New Mexico | San Patricio | San Patricio, NM |
| New Mexico | San Rafael | San Rafael, NM |
| New Mexico | San Ysidro | San Ysidro, NM |
| New Mexico | Sandia Park | Sandia Park, NM |
| New Mexico | Sandoval County | Sandoval County, NM |
| New Mexico | Sanostee | Sanostee, NM |
| New Mexico | Santa Clara | Santa Clara, NM |
| New Mexico | Santa Cruz | Santa Cruz, NM |
| New Mexico | Santa Fe | Santa Fe, NM |
| New Mexico | Santa Rosa | Santa Rosa, NM |
| New Mexico | Santa Teresa | Santa Teresa, NM |
| New Mexico | Santo Domingo Pueblo | Santo Domingo Pueblo, NM |
| New Mexico | Sapello | Sapello, NM |
| New Mexico | Scholle | Scholle, NM |
| New Mexico | Sedan | Sedan, NM |
| New Mexico | Serafina | Serafina, NM |
| New Mexico | Sheep Springs | Sheep Springs, NM |
| New Mexico | Shiprock | Shiprock, NM |
| New Mexico | Silver City | Silver City, NM |