
Clarksburg
- County:
- Harrison County
- County Seat:
- No
- Area (mi²):
- 9.719
- State:
- West Virginia
Clarksburg is a city located in Harrison County, West Virginia. Clarksburg has a 2025 population of 15,135. Clarksburg is currently declining at a rate of -1.16% annually and its population has decreased by -5.52% since the most recent census, which recorded a population of 16,019 in 2020.
The average household income in Clarksburg is $60,073 with a poverty rate of 23.18%. The median age in Clarksburg is 39.9 years: 38 years for males, and 41.8 years for females.