J
| Name of place | Number of counties | Principal county | Lower zip code | Upper zip code |
|---|---|---|---|---|
| Jackson | 1 | Cassia County | 83350 | |
| Jacques | 1 | Nez Perce County | 83524 | |
| Jamestown | 1 | Bingham County | 83274 | |
| Jaype | 1 | Clearwater County | ||
| Jenkins Will | 1 | Fremont County | ||
| Jenness | 1 | Gem County | ||
| Jensen | 1 | Madison County | ||
| Jerome | 1 | Jerome County | 83338 | |
| Jersey | 1 | Clearwater County | ||
| Jims Spur | 1 | Benewah County | ||
| Joel | 1 | Latah County | 83843 | |
| Johnsons Mill | 1 | Clearwater County | ||
| Jolley | 1 | Madison County | ||
| Jonathan | 1 | Washington County | 83672 | |
| Jordan | 1 | Clearwater County | ||
| Joseph | 1 | Idaho County | ||
| Josephson | 1 | Canyon County | ||
| Judge Town | 1 | Clearwater County | 83546 | |
| Judkins | 1 | Teton County | ||
| Juliaetta | 1 | Latah County | 83535 | |
| Juniper | 1 | Oneida County | 83243 |
Read more about this topic: List Of Places In Idaho: A-K