Lackawanna is a city in Erie County, New York, U.S., located just south of the city of Buffalo in the western part of New York state. The population was 18,141 at the 2010 census. The name derives from the Lackawanna Steel Company. It is part of the Buffalo-Niagara Falls metropolitan area. The city of Lackawanna is in the western part of the county.
The city of Lackawanna has a mayor-council form of government. A councilman is elected for each of the four wards of the city. The mayor and council president are elected at large. Fire and police services are also provided by city run departments.
Originally part of the Buffalo Creek Reservation, the area was not open to settlement until 1842 when the land was sold by the Seneca Indians. In 1851 the town of Seneca was formed, the name was changed to West Seneca in 1852, with the area now known as Lackawanna being called West Seneca or Limestone Hill.