Dale City is a census-designated place in Prince William County, Virginia, United States, located 25 miles south west of Washington, D.C. It is an annex of Woodbridge, Virginia. As of 2020, the total population was 72,088.The community is roughly bounded by Hoadly Road to the northwest, Prince William Parkway to the north, Smoketown Road to the northeast, Gideon Drive to the east, and Cardinal Drive to the south.