What was the 2010 Census population of the home to the 15th largest steel producer in 2014?
Clinton Township, Butler County, Pennsylvania:  The population was 2,864 at the 2010 census. U.S. Steel: The United States Steel Corporation (), more commonly known as U.S. Steel, is an American integrated steel producer with major production operations in the United States, Canada, and Central Europe.
i don't know