Leeper is a census-designated place (CDP) located in Farmington Township, Clarion County, in the U.S. state of Pennsylvania. The community is located at the intersections of Pennsylvania Routes 66 and 36 in northern Clarion County. As of the 2010 census the population was 158.

Demographics

Historical population

Census	Pop.	Note	%±
2020	136		—
U.S. Decennial Census

Notable person

• Gene Host, baseball player.