| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Stacy | city | California | United States | 40.23 | -120.02 | 4189 | |
| Stafford | city | California | United States | 40.45 | -124.05 | 830 | |
| Stafford (historical) | city | California | United States | 39.23 | -121.66 | 68 | |
| Stalder | city | California | United States | 34.02 | -117.52 | 830 | |
| Staley | city | California | United States | 41.89 | -121.38 | 4189 | |
| Stallion Meadow Mobile Home Park | city | California | United States | 34.48 | -118.17 | 3349 | |
| Stallion Oaks | city | California | United States | 32.87 | -116.64 | 3599 | |
| Stallion Springs | city | California | United States | 35.09 | -118.64 | 4189 | |
| Standard | city | California | United States | 37.97 | -120.31 | 2509 | |
| Standard Avenue Mobile Home Park | city | California | United States | 33.73 | -117.86 | 68 | |
| Standiford | city | California | United States | 37.69 | -121.00 | 52 | |
| Standish | city | California | United States | 40.37 | -120.42 | 4189 | |
| Stanfield Hill | city | California | United States | 39.34 | -121.33 | 1669 | |
| Stanford | city | California | United States | 37.42 | -122.17 | 187 | |
| Stanford (historical) | city | California | United States | 39.29 | -120.27 | 6709 | |
| Stanford Hills | city | California | United States | 37.42 | -122.19 | 190 | |
| Stanford Park | city | California | United States | 37.45 | -122.18 | 144 | |
| Stanford Weekend Acres | city | California | United States | 37.42 | -122.19 | 209 | |
| Stanislaus | city | California | United States | 38.14 | -120.37 | 1988 | |
| Stanley | city | California | United States | 38.24 | -122.29 | 3 | |
| Stanton | city | California | United States | 33.80 | -117.99 | 55 | |
| Starbright Acres | city | California | United States | 39.20 | -121.09 | 2509 | |
| Starlite Mobile Estates | city | California | United States | 40.57 | -122.35 | 830 | |
| Stateline | city | California | United States | 38.96 | -119.94 | 6709 | |
| Stauffer | city | California | United States | 34.75 | -119.07 | 5068 | |
| Stedman | city | California | United States | 34.63 | -116.17 | 2509 | |
| Steel Canyon Resort | city | California | United States | 38.51 | -122.20 | 830 | |
| Steele (historical) | city | California | United States | 35.21 | -120.62 | 262 | |
| Steelhead | city | California | United States | 40.17 | -123.65 | 830 | |
| Steelhead | city | California | United States | 41.78 | -123.04 | 2509 | |
| Stege | city | California | United States | 37.92 | -122.33 | 55 | |
| Stegeman | city | California | United States | 39.36 | -122.03 | 59 | |
| Stent | city | California | United States | 37.92 | -120.41 | 1669 | |
| Steuben Place | city | California | United States | 39.96 | -122.74 | 6709 | |
| Stevens | city | California | United States | 35.31 | -119.19 | 341 | |
| Stevinson | city | California | United States | 37.33 | -120.85 | 91 | |
| Stewart (historical) | city | California | United States | 37.73 | -121.00 | 104 | |
| Stewarts Point | city | California | United States | 38.65 | -123.40 | 3 | |
| Stewartville | city | California | United States | 37.95 | -121.85 | 830 | |
| Stinson Beach | city | California | United States | 37.90 | -122.64 | 134 | |
| Stirling City | city | California | United States | 39.91 | -121.53 | 3530 | |
| Stirling Junction | city | California | United States | 39.71 | -121.81 | 200 | |
| Stockton | city | California | United States | 37.96 | -121.29 | 13 | |
| Stockton | city | California | United States | 32.71 | -117.12 | 98 | |
| Stoil | city | California | United States | 35.92 | -119.43 | 216 | |
| Stokton | city | California | United States | 37.96 | -121.29 | 13 | |
| Stomar | city | California | United States | 37.36 | -121.05 | 98 | |
| Stone | city | California | United States | 40.51 | -124.11 | 232 | |
| Stone Place | city | California | United States | 35.90 | -118.73 | 2040 | |
| Stonegate Village | city | California | United States | 38.69 | -121.07 | 830 | |
| Stonehurst | city | California | United States | 34.25 | -118.37 | 1023 | |
| Stoneman | city | California | United States | 34.09 | -118.12 | 400 | |
| Stoneridge Mobile Home Park | city | California | United States | 33.73 | -117.91 | 16 | |
| Stones Landing | city | California | United States | 40.71 | -120.72 | 5098 | |
| Stonestown | city | California | United States | 37.73 | -122.48 | 157 | |
| Stony Creek Village | city | California | United States | 36.66 | -118.84 | 6709 | |
| Stony Point | city | California | United States | 38.31 | -122.73 | 249 | |
| Stonyford | city | California | United States | 39.38 | -122.54 | 1197 | |
| Storey | city | California | United States | 36.97 | -120.02 | 288 | |
| Storrie | city | California | United States | 39.92 | -121.32 | 2001 | |
| Stout | city | California | United States | 36.18 | -119.08 | 370 | |
| Strand (historical) | city | California | United States | 35.34 | -119.22 | 334 | |
| Stratford | city | California | United States | 36.19 | -119.82 | 196 | |
| Strathearn | city | California | United States | 34.28 | -118.80 | 830 | |
| Strathmore | city | California | United States | 36.15 | -119.06 | 396 | |
| Strawberry | city | California | United States | 38.20 | -120.01 | 5869 | |
| Strawberry | city | California | United States | 38.80 | -120.15 | 6709 | |
| Strawberry | city | California | United States | 37.90 | -122.51 | 91 | |
| Strawberry Manor | city | California | United States | 37.89 | -122.51 | 72 | |
| Strawberry Park | city | California | United States | 33.90 | -118.31 | 59 | |
| Strawberry Valley | city | California | United States | 39.56 | -121.11 | 3608 | |
| Strickland Acres | city | California | United States | 34.26 | -119.15 | 108 | |
| Stringtown (historical) | city | California | United States | 41.04 | -122.70 | 2509 | |
| Striplin (historical) | city | California | United States | 38.87 | -121.54 | 32 | |
| Stronetta | city | California | United States | 38.95 | -123.70 | 98 | |
| Stronghold | city | California | United States | 41.91 | -121.41 | 4189 | |
| Strongs Mobile Village | city | California | United States | 36.97 | -121.77 | 141 | |
| Stuart | city | California | United States | 33.25 | -117.42 | 26 | |
| Studebaker | city | California | United States | 33.92 | -118.10 | 91 | |
| Studio City | city | California | United States | 34.15 | -118.40 | 830 | |
| Styx | city | California | United States | 33.88 | -114.80 | 997 |