Mechanicsville is a former census-designated place (CDP) in Montour County, Pennsylvania, United States.

As of the 2010 census, Mechanicsville was not listed as a CDP or as any populated place.

[2] According to the United States Census Bureau, the CDP has a total area of 2.0 square miles (5.3 km2), all land.

There were 1,236 housing units at an average density of 605.2 per square mile (233.7/km2).

35.4% of all households were made up of individuals, and 18.3% had someone living alone who was 65 years of age or older.