About This Place
Pine Grove Mills is a census-designated place (CDP) in Ferguson Township, Centre County, Pennsylvania, United States. It is part of the State College, Pennsylvania Metropolitan Statistical Area. The population was 1,141 at the 2000 census.
Pine Grove Mills is located at 40°44′7″N 77°53′3″W / 40.73528°N 77.88417°W / 40.73528; -77.88417 (40.735391, -77.884043).
According to the United States Census Bureau, the CDP has a total area of 4.3 square miles (11 km²), all of it land.