Beallsville is a borough in Washington County, Pennsylvania, United States and part of the Pittsburgh metropolitan area since 1950.

[7] According to the United States Census Bureau, the borough has a total area of 2.4 square miles (6.2 km2), all land.

Beallsville has three borders, including West Pike Run Township to the north and east, Deemston to the south, and North Bethlehem Township to the west.

There were 216 housing units at an average density of 89.0 per square mile (34.4/km2).

22.4% of all households were made up of individuals, and 10.2% had someone living alone who was 65 years of age or older.