Fossil
- County:
- Wheeler County
- County Seat:
- Yes
- Area (mi²):
- 0.783
- State:
- Oregon
Fossil is a city located in Wheeler County, Oregon. Fossil has a 2026 population of 452. It is also the county seat of Wheeler County. Fossil is currently growing at a rate of 1.57% annually but its population has decreased by -0.22% since the most recent census, which recorded a population of 453 in 2020.