Bull Run is a census designated place in Fairfax County, Virginia, United States.

[4] Bull Run first appeared as a census designated place in the 2020 U.S.

[5] At the 2020 census (some information from the 2022 American Community Survey) there were 6,972 people, 2,213 housing units and 2,133 households residing in the CDP.

The average housing unit density was 153.5 per square mile (59.3/km2).

This Fairfax County, Virginia state location article is a stub.