| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| I and I Mobile Home Park | city | Delaware | United States | 38.98 | -75.58 | 39 | |
| Idela | city | Delaware | United States | 39.73 | -75.59 | 59 | |
| Independence Village | city | Delaware | United States | 39.17 | -75.50 | 3 | |
| Indian Beach | city | Delaware | United States | 38.69 | -75.07 | 3 | |
| Indian Cove | city | Delaware | United States | 38.49 | -75.11 | 19 | |
| Indian Field | city | Delaware | United States | 39.81 | -75.48 | 147 | |
| Indian Harbor Villa | city | Delaware | United States | 38.59 | -75.06 | 0 | |
| Indian Landing Mobile Home Park | city | Delaware | United States | 38.62 | -75.11 | 0 | |
| Indian Landing North Mobile Home Park | city | Delaware | United States | 38.63 | -75.12 | 3 | |
| Indian Mission | city | Delaware | United States | 38.67 | -75.24 | 22 | |
| Indian River Acres | city | Delaware | United States | 38.57 | -75.17 | 3 | |
| Indiantown Farms | city | Delaware | United States | 38.62 | -75.21 | 26 | |
| Iron Gates | city | Delaware | United States | 39.79 | -75.68 | 298 | |
| Iron Hill | city | Delaware | United States | 39.63 | -75.75 | 75 | |
| Iron Hills Apartments | city | Delaware | United States | 39.64 | -75.72 | 49 | |
| Irons Lane Landing | city | Delaware | United States | 38.59 | -75.14 | 3 | |
| Israel Haul | city | Delaware | United States | 38.58 | -75.19 | 3 | |
| Ivy Ridge | city | Delaware | United States | 39.68 | -75.63 | 49 |