Adams County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 103,852. Its county seat is Gettysburg. The county was created on January 22, 1800, from part of York County, and was named for the second President of the United States, John Adams. On July 1–3, 1863, a crucial battle of the American Civil War was fought near Gettysburg; Adams County as a result is a center of Civil War tourism. The county is part of the South Central Pennsylvania region of the state.
Montgomery County, colloquially referred to as Montco, is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population of the county was 856,553, making it the third-most populous county in Pennsylvania after Philadelphia and Allegheny counties. The county is part of the Southeast Pennsylvania region of the state.
Union County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 42,681. Its county seat is Lewisburg. The county was created on March 22, 1813, from part of Northumberland County. Its name is an allusion to the federal Union. Mifflinburg was established by legislation as the first county seat until it was moved to New Berlin in 1815. Lewisburg became county seat in 1855 and has remained so since. Union County comprises the Lewisburg, PA Micropolitan Statistical Area, which is also included in the Bloomsburg-Berwick-Sunbury, PA Combined Statistical Area. The county is part of the Central Pennsylvania region of the state.
Greene County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 35,954. Its county seat is Waynesburg. Greene County was created on February 9, 1796, from part of Washington County and named for General Nathanael Greene. The county is part of the Southwest Pennsylvania region of the state.
Dauphin County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 286,401. The county seat is Harrisburg, Pennsylvania's state capital and ninth-most populous city. The county was created on March 4, 1785, from part of Lancaster County and was named after Louis Joseph, Dauphin of France, the first son of King Louis XVI. The county is part of the South Central Pennsylvania region of the state.
Columbia County is a county in the Commonwealth of Pennsylvania. It is located in Northeastern Pennsylvania. As of the 2020 census, the population was 64,727. Its county seat is Bloomsburg. The county was created on March 22, 1813, from part of Northumberland County. It was named Columbia, alluding to the United States and Christopher Columbus. The county is part of the Central Pennsylvania region of the state.
Clearfield County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 80,562. The county seat is Clearfield, and the largest city is DuBois. The county was created in 1804 and later organized in 1822.
Chester County, colloquially referred to as Chesco, is a county in the Commonwealth of Pennsylvania. It is located in the Delaware Valley region, located in the southeastern part of the state. As of the 2020 census, the population was 545,823(As of 2022), increasing by 7.1% from 498,886 in 2010. The county seat is the Borough of West Chester. The most populous of its 73 municipalities is Tredyffrin Township. The most populous boroughs are West Chester and Phoenixville. Coatesville is the only municipality in the County organized under the City form of government, a technical rather than demographic distinction. Chester County was one of the three original Pennsylvania counties created by William Penn in 1682. It was named for Chester, England. The county is part of the Southeast Pennsylvania region of the state.
Centre County is a county in the Commonwealth of Pennsylvania, United States. As of the 2020 census, the population was 158,172. Its county seat is Bellefonte. Centre County comprises the State College, PA Metropolitan Statistical Area. The county is part of the Central Pennsylvania region of the state.
Cambria County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 133,472. Its county seat is Ebensburg. The county was created on March 26, 1804, from parts of Bedford, Huntingdon, and Somerset counties and later organized in 1807. It was named for the nation of Wales, which in Latin is known as "Cambria". The county is part of the Southwest Pennsylvania region of the state.
Pennsylvania's first congressional district includes all of Bucks County and a sliver of Montgomery County in southeastern Pennsylvania. It has been represented by Brian Fitzpatrick since 2019.
Pennsylvania's fourth congressional district, effective January 3, 2023, encompasses the majority of Montgomery County and most of Berks County northeast of Reading in southeastern Pennsylvania. In the 2020 redistricting cycle, the Pennsylvania district pushed northwards, further into Berks County, effective with the 2022 elections. The area has been represented by Democrat Madeleine Dean since 2019.
Pennsylvania's 16th congressional district is located in Northwestern Pennsylvania. It contains all of Erie County, Crawford County, Mercer County, Lawrence County, Butler County, and parts of Venango County. The district is represented by Republican Mike Kelly.
Pennsylvania's 9th congressional district is located in the east central part of the state and encompasses all of Bradford, Columbia, Lebanon, Montour, Northumberland, Schuylkill, Sullivan, Susquehanna, and Wyoming counties, as well as parts of Berks, Luzerne, and Lycoming counties.
The 18th Pennsylvania House of Representatives District is located in Southeastern Pennsylvania. The seat is occupied by Republican K.C. Tomlinson, who has held the seat since a special election on March 17, 2020.
Elections to the United States House of Representatives were held in Pennsylvania on October 9, 1798, for the 6th Congress.
The 2018 United States House of Representatives elections in Pennsylvania were held on November 6, 2018, to elect the 18 U.S. representatives from the Commonwealth of Pennsylvania, one from each of the state's 18 congressional districts.
The 2021 Pennsylvania elections were held on November 2, 2021, to fill judicial positions on the Supreme Court, Superior Court, and Commonwealth Court, to allow judicial retention votes, and to fill numerous county, local and municipal offices.
