Butler is a city in Butler CountyButler County is a county located in the U.S. state of Pennsylvania and part of the Pittsburgh Metropolitan Statistical Area. As of the 2000 census, the population was 174,083. Butler County was created on March 12, 1800 from part of Allegheny County and named in honor of General Richard Butler. Its county seat is Butler6. Jack Cohen, the Executive Director of Tourism for Butler County, was named the 2007 Hard Rock International Ambassador of Rock and Roll.Butler County, PennsylvaniaThe Commonwealth of Pennsylvania (IPA: /IPA chart for English|/) is a state located in the Middle Atlantic region of the United States of America. One of Pennsylvania's nicknames is the Quaker State; in colonial times, it was known officially as the Quaker Province,The Quaker Province in recognition of QuakerWilliam Penn, Quaker William Penn's First Frame of GovernmentFrame of Government ...Pennsylvania, United StatesThe United States of America is a federal constitutional republic comprising fifty states, one federal district, and fourteen territories. The country is situated almost entirely in the western hemisphere: its forty-eight contiguous states and Washington, D.C., the capital district, lie in central North America between the Pacific and Atlantic Oceans, bordered by Canada to the north and Mexico ...United States. The population was 15,121 at the 2000 census. It is the county seatA county seat is a term for an administrative center for a county, primarily used in the United States. In the Northeast United States, the statutory term often is shire town, but colloquially county seat is the term in use there. Parts of Canadian Maritimes also use the term shire town. In England, Wales and Ireland, the term county town ...county seat of Butler CountyButler County is a county located in the U.S. state of Pennsylvania and part of the Pittsburgh Metropolitan Statistical Area. As of the 2000 census, the population was 174,083. Butler County was created on March 12, 1800 from part of Allegheny County and named in honor of General Richard Butler. Its county seat is Butler6. Jack Cohen, the Executive Director of Tourism for Butler County, was named the 2007 Hard Rock International Ambassador of Rock and Roll.Butler CountyGR6.