| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Indian Rock Terrace | city | District of Columbia | United States | 38.91 | -77.09 | 62 | |
| Isherwood | city | District of Columbia | United States | 38.89 | -76.98 | 39 | |
| Ivy City | city | District of Columbia | United States | 38.91 | -76.98 | 91 |