Liberty is a small borough in Tioga County, Pennsylvania, United States.

[4] According to the United States Census Bureau, the borough has a total area of 0.5 square mile (1.3 km2), all of it land.

There were ninety-five housing units at an average density of 184.4 per square mile (71.2/km2).

27.3% of all households were made up of individuals, and 9.1% had someone living alone who was sixty-five years of age or older.

Roughly 4.9% of families and 9.8% of the population were living below the poverty line, including 13.6% of those who were under the age of eighteen.