
Harper
- County:
- Malheur County
- County Seat:
- No
- Area (mi²):
- 7.003
- State:
- Oregon
Harper is a CDP located in Malheur County, Oregon. Harper has a 2025 population of 203. Harper is currently growing at a rate of 3.57% annually and its population has increased by 95.19% since the most recent census, which recorded a population of 104 in 2020.
The average household income in Harper is $88,098 with a poverty rate of 1.89%. The median age in Harper is 30.6 years: 32.4 years for males, and 30.2 years for females.