Buck Run is a census-designated place (CDP) in Schuylkill County, Pennsylvania, United States.

[4] According to the United States Census Bureau, the CDP has a total area of 0.6 square miles (1.6 km2), all land.

At the 2000 census there were 203 people, 72 households, and 54 families living in the CDP.

There were 78 housing units at an average density of 129.5 per square mile (50.0/km2).

About 18.0% of families and 18.1% of the population were below the poverty line, including 27.8% of those under the age of eighteen and none of those sixty five or over.