The following is a list of the 67 counties of the U.S. state of Pennsylvania. The city of Philadelphia is coterminous with Philadelphia County, the municipalities having been consolidated in 1854, and all remaining county government functions having been merged into the city after a 1951 referendum. Eight of the ten most populous counties are in the southeastern portion of the state, including four out of the top five, and eight of the top ten most populous counties are in either the Greater Philadelphia or Greater Pittsburgh metropolitan statistical areas.
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👉 List of counties in Pennsylvania in the context of Allegheny County, Pennsylvania
Allegheny County (/ˌælɪˈɡeɪni/ AL-ig-AY-nee) is a county in Pennsylvania, United States. As of the 2020 census, the population was 1,250,578, making it the state's second-most populous county, after Philadelphia County. Its county seat and most populous city is Pittsburgh, Pennsylvania's second most populous city. The county is part of the Greater Pittsburgh region of the commonwealth, and is the center of the Pittsburgh media market.
Allegheny was the first county in Pennsylvania to be given a Native American name. It was named after the Lenape word for the Allegheny River. The meaning of "Allegheny" is uncertain. It is usually said to mean "fine river". Some historians state that the name may come from a Lenape account of an ancient mythical tribe called "Allegewi" who lived along the river before being taken over by the Lenape.
In this Dossier
- ⭐ Core Definition: List of counties in Pennsylvania
- 👉 List of counties in Pennsylvania in the context of Allegheny County, Pennsylvania
- List of counties in Pennsylvania in the context of Bucks County, Pennsylvania
- List of counties in Pennsylvania in the context of City (Pennsylvania)
- List of counties in Pennsylvania in the context of Regions of Pennsylvania
- List of counties in Pennsylvania in the context of Philadelphia County, Pennsylvania
- List of counties in Pennsylvania in the context of Montgomery County, Pennsylvania
- List of counties in Pennsylvania in the context of Delaware County, Pennsylvania
List of counties in Pennsylvania in the context of Bucks County, Pennsylvania
Bucks County is in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 646,538, making it the fourth-most populous county in Pennsylvania. Its county seat is Doylestown. The county is named after the English county of Buckinghamshire. The county is part of the Southeast region of the commonwealth.
The county represents the northern boundary of the Philadelphia–Camden–Wilmington, PA–NJ–DE–MD metropolitan statistical area.
List of counties in Pennsylvania in the context of City (Pennsylvania)
Local government in Pennsylvania is government below the state level in Pennsylvania. There are six types of local governments listed in the Pennsylvania Constitution: county, township, borough, town, city, and school district. All of Pennsylvania is included in one of the state's 67 counties, which are in total subdivided into 2,560 municipalities. There are currently no independent cities or unincorporated territories within Pennsylvania. There is only one incorporated town in Pennsylvania, Bloomsburg.
List of counties in Pennsylvania in the context of Regions of Pennsylvania
Pennsylvania is the fifth-most populous state in the United States. Regions of Pennsylvania include:
List of counties in Pennsylvania in the context of Philadelphia County, Pennsylvania
Philadelphia County is the most populous of the 67 counties of Pennsylvania and the 24th-most populous county in the nation. As of the 2020 census, the county had a population of 1,603,797. It is coextensive with Philadelphia, the nation's sixth-largest city. The county is part of the Southeast region of the commonwealth.
Philadelphia County is one of the three original counties, along with Chester and Bucks counties, founded by William Penn in November 1682. Since 1854, the county has been coextensive with the City of Philadelphia, which is also its county seat. Philadelphia County is the core county in the Philadelphia-Camden-Wilmington Combined Statistical Area (PA-NJ-DE-MD, located along the lower Delaware and Schuylkill Rivers, within the Northeast megalopolis).
List of counties in Pennsylvania in the context of Montgomery County, Pennsylvania
Montgomery County, colloquially referred to as Montco, is 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 and the most populous county in Pennsylvania without a major city.
The county seat and largest city is Norristown. The county is part of the Philadelphia–Camden–Wilmington PA-NJ–DE–MD metropolitan statistical area, known as the Delaware Valley, and marks the Delaware Valley's northern border with the Lehigh Valley region of eastern Pennsylvania.
List of counties in Pennsylvania in the context of Delaware County, Pennsylvania
Delaware County, colloquially referred to as Delco, is in the Commonwealth of Pennsylvania. With a population of 576,830 as of the 2020 census, it is the fifth-most populous county in Pennsylvania and the third-smallest in area. The county was created on September 26, 1789, from part of Chester County and named for the Delaware River. The county is part of the Southeast region of the commonwealth.
Delaware County borders Philadelphia, the nation's sixth-most populous city, to its northeast. It also is adjacent to the city-county of Philadelphia County and is included in the Philadelphia–Camden–Wilmington, PA–NJ–DE–MD metropolitan statistical area. Its county seat is Media, which is located near the center of the county.