It is not a county....it belongs to Prince William County.....but all these jurisdictions are good b/c they hide stuff.....

Manassas

City in Virginia

Manassas is an independent city in the Commonwealth of Virginia. As of the 2010 Census, the population was 37,821. The city is surrounded by Prince William County and the independent city of Manassas Park.Wikipedia

Weather: 64°F (18°C), Wind SW at 11 mph (18 km/h), 18% Humidity

Local time: Thursday 10:10 AM

Population: 41,705 (2013)