Rosemill is a neighborhood in southwestern Lexington, Kentucky, United States. Its boundaries are Southland Drive and Rosemont Garden to the north, Clays Mill Road to the west, and Hill-N-Dale Road to the south. Lexington Catholic High School has been located in the center of the neighborhood since 1957.Neighborhood statisticsArea: 0.244 square miles (0.63 km2) Population: 812 Population density: 3,330 people per square mile Median household income: $56,483