| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Sibleyville | city | New York | United States | 42.96694 | -77.61861 | 600 | 8583 |
| Sidney | city | New York | United States | 42.31472 | -75.39194 | 997 | 3272 |
| Sidney Center | city | New York | United States | 42.29056 | -75.25611 | 1397 | 3750 |
| Siegfield Park | city | New York | United States | 40.84056 | -72.94028 | 55 | 45670 |
| Sierks | city | New York | United States | 42.82167 | -78.30306 | 1105 | 4660 |
| Sigby Corners | city | New York | United States | 42.86389 | -75.49278 | 1597 | 3645 |
| Siloam | city | New York | United States | 42.98472 | -75.64167 | 997 | 2778 |
| Silver Bay | city | New York | United States | 43.69639 | -73.50611 | 351 | 450 |
| Silver Beach | city | New York | United States | 41.05028 | -72.35667 | 9 | 6478 |
| Silver Creek | city | New York | United States | 42.54417 | -79.16694 | 656 | 4446 |
| Silver Lake | city | New York | United States | 42.70167 | -78.02222 | 1400 | 4249 |
| Silver Lake | city | New York | United States | 42.60139 | -75.33278 | 1095 | 1691 |
| Silver Lake Junction | city | New York | United States | 42.67222 | -78.09361 | 1420 | 4019 |
| Silver Springs | city | New York | United States | 42.66056 | -78.08583 | 1414 | 2504 |
| Silvernails | city | New York | United States | 42.01472 | -73.68361 | 501 | 2205 |
| Simpsonville | city | New York | United States | 42.50389 | -74.78306 | 1519 | 1716 |
| Sinclair Corner | city | New York | United States | 44.64361 | -74.89139 | 626 | 2242 |
| Sinclairville | city | New York | United States | 42.26389 | -79.25889 | 1437 | 2253 |
| Sisson | city | New York | United States | 44.70556 | -74.98722 | 400 | 10639 |
|
|