| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Jacksonville | city | Oregon | United States | 42.31361 | -122.96583 | 1597 | 7039 |
| Jamieson | city | Oregon | United States | 44.18222 | -117.43694 | 2598 | 324 |
| Jasper | city | Oregon | United States | 43.99667 | -122.905 | 544 | 5039 |
| Jean | city | Oregon | United States | 45.39833 | -122.73861 | 200 | 85925 |
| Jeffers Garden | city | Oregon | United States | 46.15 | -123.85694 | 39 | 8618 |
| Jefferson | city | Oregon | United States | 44.71972 | -123.00917 | 252 | 4482 |
| Jennings Lodge | city | Oregon | United States | 45.39139 | -122.61139 | 200 | 110135 |
| Jett historical | city | Oregon | United States | 44.42639 | -117.31111 | 2483 | 166 |
| Jewell | city | Oregon | United States | 45.93472 | -123.50278 | 600 | 308 |
| Jimtown | city | Oregon | United States | 44.90556 | -117.14389 | 2887 | 84 |
| John Day | city | Oregon | United States | 44.41611 | -118.95194 | 3336 | 116 |
| Johns Landing | city | Oregon | United States | 45.39972 | -122.67361 | 639 | 82140 |
| Johnson City | city | Oregon | United States | 45.40472 | -122.57778 | 200 | 77558 |
| Jordan | city | Oregon | United States | 44.72722 | -122.69861 | 600 | 1185 |
| Jordan Creek | city | Oregon | United States | 45.54861 | -123.60056 | 492 | 954 |
| Jordan Valley | city | Oregon | United States | 42.97417 | -117.05333 | 4399 | 8 |
| Joseph | city | Oregon | United States | 45.35444 | -117.22861 | 4199 | 242 |
| Junction City | city | Oregon | United States | 44.21944 | -123.20444 | 324 | 5100 |
| Juntura | city | Oregon | United States | 43.74472 | -118.07861 | 3018 | 5 |
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