O'Brien
- County:
- Josephine County
- County Seat:
- No
- Area (mi²):
- 5.221
- State:
- Oregon
O'Brien is a CDP located in Josephine County, Oregon Oregon. Unfortunately, the data for this location is currently limited or unavailable.
The median household income in O'Brien is $29,252 with a poverty rate of 13.19%. The median age in O'Brien is 66.7 years: 70.4 years for males, and 66.4 years for females. For every 100 females there are 119.1 males.