Clarkson Valley
- County:
- Franklin County
- County Seat:
- No
- Area (mi²):
- 2.695
- State:
- Missouri
Clarkson Valley is a city located in Franklin County, Missouri. Clarkson Valley has a 2026 population of 2,557. Clarkson Valley is currently growing at a rate of 0.08% annually but its population has decreased by -1.96% since the most recent census, which recorded a population of 2,608 in 2020.