Radcliffe is a neighborhood in northern Lexington, Kentucky, United States. It is alternatively called Marlboro. Its boundaries are Dover Road to the south, Paris Pike to the east, Russell Cave Road to the west, and I-75/ I-64 to the north. Neighborhood statistics Area: Population: 1,853 Population density: 3,522 people per square mile (1,362.5/km2) Median household income: $57,218 References Neighborhoods in Lexington, Kentucky