During the 19th and 20th centuries, 37 new states were added to the original 13 as the nation expanded across the North American continent and acquired a number of overseas possessions.
United States Government Country name conventional long form: United States of America; conventional short form: United States; abbreviation: US or USA
Pennsylvania Latitude Facts: 40.5773 and Pennsylvania Longitude Facts: -77.264
United States Government Legislative branch bicameral Congress consists of the Senate (100 seats, 2 members are elected from each state by popular vote to serve six-year terms; one-third are elected every two years) and the House of Representatives (435 seats; members are directly elected by popular vote to serve two-year terms); elections: Senate - last held 7 November 2006 (next to be held November 2008); House of Representatives - last held 7 November 2006 (next to be held November 2008); election results: Senate - percent of vote by party - NA; seats by party - Democratic Party 49, Republican Party 49, independent 2; House of Representatives - percent of vote by party - NA; seats by party - Democratic Party 233, Republican Party 202.
United States People Population below poverty line (%) 12% (2004 estimate)
Adams County Allegheny County Armstrong County Beaver County Bedford County Berks County Blair County Bradford County Bucks County Butler County Cambria County Cameron County Carbon County Centre County Chester County Clarion County Clearfield County Clinton County Columbia County Crawford County Cumberland County Dauphin County Delaware County Elk County Erie County Fayette County Forest County Franklin County Fulton County Greene County Huntingdon County Indiana County Jefferson County Juniata County Lackawanna County Lancaster County Lawrence County Lebanon County Lehigh County Luzerne County Lycoming County McKean County Mercer County Mifflin County Monroe County Montgomery County Montour County Northampton County Northumberland County Perry County Philadelphia County Pike County Potter County Schuylkill County Snyder County Somerset County Sullivan County Susquehanna County Tioga County Union County Venango County Warren County Washington County Wayne County Westmoreland County Wyoming County York County
United States People Religions (%) Protestant 51.3%, Roman Catholic 23.9%, Mormon 1.7%, other Christian 1.6%, Jewish 1.7%, Buddhist 0.7%, Muslim 0.6%, other or unspecified 2.5%, unaffiliated 12.1%, none 4% (2007 estimate)