Bucks County is a county located in the Commonwealth of Pennsylvania. As of the 2010 census, the population was 625,249, making it the fourth-most populous county in Pennsylvania and the 98th-most populous county in the United States. The county seat is Doylestown. The county is named after the English county of Buckinghamshire or more precisely, its shortname.
Bucks County is included in the Philadelphia–Camden–Wilmington, PA–NJ–DE–MD Metropolitan Statistical Area, more commonly known as the "Delaware Valley". It is located immediately northeast of Philadelphia and forms part of the southern tip of the eastern state border.
