| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Sycamore | city | Indiana | United States | 40.49417 | -85.91944 | 846 | 3412 |
| Sycamore Corner | city | Indiana | United States | 40.36 | -87.43444 | 734 | 817 |
| Sycamore Ford | city | Indiana | United States | 39.95833 | -87.04667 | 679 | 1604 |
| Sylvan Grove | city | Indiana | United States | 38.46778 | -85.73639 | 485 | 6629 |
| Sylvan Manor | city | Indiana | United States | 41.45889 | -87.1075 | 711 | 33605 |
| Sylvania | city | Indiana | United States | 39.91889 | -87.29444 | 652 | 947 |
| Syndicate | city | Indiana | United States | 39.61722 | -87.41417 | 554 | 9568 |
| Syracuse | city | Indiana | United States | 41.42778 | -85.7525 | 869 | 5844 |
| Syria | city | Indiana | United States | 38.58611 | -86.40167 | 787 | 2178 |
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