| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ico (historical) | city | Arkansas | United States | 34.46 | -92.35 | 298 | |
| Ida | city | Arkansas | United States | 35.59 | -91.93 | 830 | |
| Imboden | city | Arkansas | United States | 36.20 | -91.17 | 298 | |
| Imelda (historical) | city | Arkansas | United States | 34.41 | -93.42 | 830 | |
| Immanuel | city | Arkansas | United States | 34.40 | -91.32 | 193 | |
| Imo | city | Arkansas | United States | 35.78 | -92.75 | 1669 | |
| Independence (historical) | city | Arkansas | United States | 36.31 | -92.49 | 830 | |
| Index | city | Arkansas | United States | 33.55 | -94.04 | 265 | |
| Index (historical) | city | Arkansas | United States | 35.13 | -92.86 | 971 | |
| Indian | city | Arkansas | United States | 33.05 | -91.29 | 127 | |
| Indian Bay | city | Arkansas | United States | 34.38 | -91.07 | 134 | |
| Indian Creek (historical) | city | Arkansas | United States | 36.43 | -93.51 | 1204 | |
| Indian Head Lake Estates | city | Arkansas | United States | 34.84 | -92.18 | 246 | |
| Ingalls | city | Arkansas | United States | 33.38 | -92.15 | 167 | |
| Ingleside | city | Arkansas | United States | 35.49 | -91.32 | 209 | |
| Ingram | city | Arkansas | United States | 36.40 | -91.01 | 347 | |
| Ink | city | Arkansas | United States | 34.59 | -94.12 | 997 | |
| Ione | city | Arkansas | United States | 35.06 | -94.05 | 830 | |
| Ionia | city | Arkansas | United States | 36.33 | -94.51 | 1249 | |
| Irby (historical) | city | Arkansas | United States | 34.99 | -90.32 | 196 | |
| Irma | city | Arkansas | United States | 33.56 | -93.28 | 337 | |
| Iron Springs | city | Arkansas | United States | 33.87 | -93.40 | 830 | |
| Iron Springs | city | Arkansas | United States | 34.59 | -92.33 | 291 | |
| Ironton | city | Arkansas | United States | 34.63 | -92.28 | 285 | |
| Island | city | Arkansas | United States | 35.42 | -94.13 | 830 | |
| Island Town | city | Arkansas | United States | 35.58 | -91.26 | 213 | |
| Iuka | city | Arkansas | United States | 36.20 | -92.16 | 830 | |
| Ivan | city | Arkansas | United States | 33.91 | -92.42 | 223 | |
| Ivesville | city | Arkansas | United States | 34.80 | -92.43 | 396 | |
| Ivy | city | Arkansas | United States | 34.13 | -92.53 | 298 |