| Bull Run | |
| Settlement Type: | Census-designated place |
| Pushpin Map: | USA Virginia#USA |
| Pushpin Map Caption: | Location within the state of Virginia |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Fairfax |
| Unit Pref: | Imperial |
| Area Land Km2: | 37.35 |
| Population As Of: | 2020 |
| Population Total: | 6972 |
| Population Density Km2: | 186.7 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Coordinates: | 38.84°N -77.49°W |
| Postal Code Type: | ZIP codes |
| Blank Name: | FIPS code |
| Blank1 Name: | GNIS feature ID |
| Area Land Sq Mi: | 14.42 |
| Population Density Sq Mi: | 483.5 |
Bull Run is a census designated place in Fairfax County, Virginia, United States.[1] It has an area of 14.42 square miles.[2] It was first listed as a CDP in the 2020 census with a population of 6,972.[3]
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 population density was 483.5/mi2. The average housing unit density was 153.5/mi2. The racial makeup of the CDP was 64.99% White, 4.20% African American, 0.09% Native American, 19.29% Asian, 0.04% Pacific Islander, 2.40% from other races, and 8.99% from two or more races. Hispanic or Latino of any race was 6.74% of the population.
Of the households, 84.4% were married couple families, 5.9% were a male family householder with no spouse, and 5.8% were a female family householder with no spouse. The average family household had 3.62 people.
The median age was 39.6, 25.8% of people were under the age of 18, and 11.6% were 65 years of age or older. The largest ancestry is the 17.5% who had Irish ancestry, 21.0% spoke a language other than English at home, and 17.6% were born outside the United States, 73.6% of whom were naturalized citizens.
The median income for a household in the CDP was $240,750. 10.7% of the population were military veterans, and 75.1% had a batchelor's degree or higher. In the CDP 4.8% of the population was below the poverty line, including 4.6% of those under age 18 and 0.0% of those age 65 or over, with 2.1% of the population without health insurance.