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. Lackawanna was a center of steel manufacture throughout most of the 20th century. In 1899 all the land along the West Seneca shore of Lake Erie was purchased by the Lackawanna Steel Company. Construction was started in 1900 and the plant began operation in 1903. The Lackawanna Steel Company moved to the area in 1902 later, in 1909, the residents of the area voted to split off from West Seneca forming the city of Lackawanna .