Julian, ( /dʒuːliæn/) is a census-designated place (CDP) in Centre County, Pennsylvania, United States. It is part of the State College, Pennsylvania Metropolitan Statistical Area. The population was 152 at the 2000 census. Most locals pronounce the name Joo-lee-ānn. The postal address Julian, is used even on the other side of Unionville, for example Fleming.
Julian is located at 40°51′48″N 77°56′26″W / 40.86333°N 77.94056°W / 40.86333; -77.94056 (40.863230, -77.940677).
According to the United States Census Bureau, the CDP has a total area of 0.1 square miles (0.4 km²), all of it land.