Fairdale is a community and census-designated place (CDP) in Greene County, Pennsylvania, United States.

[4] According to the United States Census Bureau, the CDP has a total area of 1.4 square miles (3.6 km2), all land.

As of the census[7] of 2000, there were 1,955 people, 868 households, and 540 families residing in the CDP.

There were 926 housing units at an average density of 652.8 per square mile (252.0/km2).

34.7% of all households were made up of individuals, and 18.0% had someone living alone who was 65 years of age or older.