
Manassas Park
- County:
- Prince William County
- County Seat:
- No
- Area (mi²):
- 3.034
- State:
- Virginia
Manassas Park is a city located in Prince William County, Virginia. Manassas Park has a 2025 population of 15,827. Manassas Park is currently declining at a rate of -1.66% annually and its population has decreased by -7.78% since the most recent census, which recorded a population of 17,162 in 2020.
The average household income in Manassas Park is $123,119 with a poverty rate of 5.8%. The median age in Manassas Park is 35.3 years: 37.3 years for males, and 32.3 years for females.