| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| IXL | city | Oklahoma | United States | 35.5225 | -96.38806 | 898 | 691 |
| Iconium | city | Oklahoma | United States | 35.86917 | -97.1875 | 1007 | 858 |
| Idabel | city | Oklahoma | United States | 33.89556 | -94.82611 | 479 | 3134 |
| Imo | city | Oklahoma | United States | 36.35389 | -97.9775 | 1243 | 4276 |
| Independence | city | Oklahoma | United States | 35.725 | -98.93333 | 1797 | 201 |
| Independence | city | Oklahoma | United States | 34.88389 | -94.68167 | 570 | 979 |
| Indiahoma | city | Oklahoma | United States | 34.61972 | -98.75111 | 1309 | 1328 |
| Indiahoma Wye | city | Oklahoma | United States | 34.69556 | -98.705 | 1499 | 2080 |
| Indian City | city | Oklahoma | United States | 35.03722 | -98.22556 | 1299 | 2725 |
| Indian Meadows | city | Oklahoma | United States | 35.87306 | -94.96556 | 797 | 8062 |
| Indian Springs | city | Oklahoma | United States | 35.89639 | -97.57167 | 987 | 1087 |
| Indian Village | city | Oklahoma | United States | 36.41056 | -96.38472 | 767 | 910 |
| Indianapolis | city | Oklahoma | United States | 35.55139 | -98.86222 | 1699 | 1789 |
| Indianola | city | Oklahoma | United States | 35.16278 | -95.77444 | 695 | 878 |
| Indogco | city | Oklahoma | United States | 35.17667 | -96.56583 | 885 | 1726 |
| Ingalls | city | Oklahoma | United States | 36.10167 | -96.88111 | 898 | 1689 |
| Ingersoll | city | Oklahoma | United States | 36.79639 | -98.39444 | 1200 | 378 |
| Ingram | city | Oklahoma | United States | 35.70639 | -97.08472 | 849 | 1434 |
| Inola | city | Oklahoma | United States | 36.15111 | -95.50917 | 597 | 2376 |
| Iona | city | Oklahoma | United States | 34.61694 | -97.02944 | 1059 | 926 |
| Iron Post | city | Oklahoma | United States | 35.72639 | -96.40528 | 885 | 1216 |
| Iron Post | city | Oklahoma | United States | 36.15806 | -95.14111 | 748 | 2142 |
| Iron Stob Corner | city | Oklahoma | United States | 33.89556 | -94.94722 | 380 | 1944 |
| Ironbridge | city | Oklahoma | United States | 35.23806 | -94.955 | 498 | 860 |
| Irving | city | Oklahoma | United States | 34.04222 | -98.05278 | 915 | 359 |
| Isabella | city | Oklahoma | United States | 36.23556 | -98.33972 | 1253 | 155 |
| Ituna | city | Oklahoma | United States | 36.48306 | -97.96917 | 1341 | 2180 |
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