Firebrook is a neighborhood in southwestern Lexington, Kentucky, United States. Its boundaries are Harrodsburg Road to the east, Military Pike to the north, Keene Road to the west, and the Jessamine County line to the south. Neighborhood statistics Population in 2000: 1,581 Land Area: Population density: 3,217 Median household income: $105,827 External links http://www.city-data.com/neighborhood/Firebrook-Lexington-KY.html Neighborhoods in Lexington, Kentucky