Osage
- County:
- Weston County
- County Seat:
- No
- Area (mi²):
- 1.925
- State:
- Wyoming
Osage is a CDP located in Weston County, Wyoming. Osage has a 2025 population of 4. Osage is currently declining at a rate of -77.78% annually and its population has decreased by -91.49% since the most recent census, which recorded a population of 47 in 2020.
The median age in Osage is 29.5 years: 29.1 years for males, and 55.2 years for females.