
Olean
- County:
- Miller County
- County Seat:
- No
- Area (mi²):
- 0.173
- State:
- Missouri
Olean is a town located in Miller County, Missouri. Olean has a 2025 population of 120. Olean is currently growing at a rate of 0.84% annually and its population has increased by 4.35% since the most recent census, which recorded a population of 115 in 2020.
The average household income in Olean is $88,015 with a poverty rate of 3.77%. The median age in Olean is 26.6 years: 28.5 years for males, and 26.2 years for females.