 West Brownsville is located at (40.029731, -79.886412).According to the United States Census Bureau, the borough has a total area of , of which, of it is land and of it (8.51%) is water.West Brownsville sited on the inside of the sweeping curve along the Monongahela River was blessed with relatively level ground opposite the cut bank effect giving Brownsville relatively steep slopes and West Brownsville, cupped by the inside of the curve, more flood prone sandy mud flats lands.