Oakley
- County:
- Cassia County
- County Seat:
- No
- Area (mi²):
- 4.623
- State:
- Idaho
Oakley is a city located in Cassia County, Idaho. Oakley has a 2026 population of 831. Oakley is currently growing at a rate of 0.97% annually and its population has increased by 5.59% since the most recent census, which recorded a population of 787 in 2020.