About This Place
Milroy is a census-designated place (CDP) in the Kishacoquillas Valley of Mifflin County, Pennsylvania, United States. The population was 1,386 at the 2000 census.
Milroy is located at 40°42′50″N 77°35′7″W / 40.71389°N 77.58528°W / 40.71389; -77.58528 (40.713936, -77.585275).
According to the United States Census Bureau, the CDP has a total area of 0.7 square miles (1.7 km²), all of it land.