Brookhaven is a census-designated place (CDP) in Monongalia County, West Virginia, United States.

[3] It is included in the Morgantown, West Virginia Metropolitan Statistical Area.

22.5% of all households were made up of individuals, and 7.3% had someone living alone who was 65 years of age or older.

It has 50 registered members and responded to approximately 1300 emergency calls in the year 2010.

The fire department provides fire suppression and response to emergency medical incidents in the areas of Brookhaven, Cheat Lake, Dellslow, Rock Forge, Richard, the Mileground, WV Route 705, and a stretch of Interstate 68.