Buckhorn is a census-designated place (CDP) in Columbia County, Pennsylvania, United States.

When the first non-native settlers arrived in the Fishing Creek valley, they created another path that intersected the Indian path, and the community came to be named for the deer antlers.

The community was founded due to discovery of ore in the area.

Buckhorn's terrain is almost entirely flat, with hills in the southern and northeastern corners.

There were 63 housing units at an average density of 103.4 per square mile (39.9/km2).

20.6% of all households were made up of individuals, and 11.1% had someone living alone who was 65 years of age or older.

About 11.1% of families and 15.2% of the population were below the poverty line, including 28.0% of those under the age of eighteen and 11.1% of those sixty five or over.