
Olney
- County:
- Flathead County
- County Seat:
- No
- Area (mi²):
- 1.33
- State:
- Montana
Olney is a CDP located in Flathead County, Montana. Olney has a 2025 population of 117. Olney is currently declining at a rate of -4.1% annually but its population has increased by 3.54% since the most recent census, which recorded a population of 113 in 2020.
The average household income in Olney is $49,832 with a poverty rate of 16.94%. The median age in Olney is 55.6 years: 55.3 years for males, and 55.6 years for females.