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County of Chester 313 West Market Street West Chester, PA 19380 Phone: 610-344-6000 Contact Us Weekly Newsletter
Chester County (Pennsylvania Dutch: Tscheschter Kaundi), 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.
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County of Chester 313 West Market Street West Chester, PA 19380 Phone: 610-344-6000 Contact Us Weekly Newsletter
General. Chester County is located in southeast Pennsylvania in the Philadelphia Metropolitan Area. The County was created by William Penn in 1682 as one of the three original counties of Pennsylvania. There are now 67 counties in Pennsylvania. Chester County is 759 square miles or approximately 485,600 acres in size.
Chester County, Pennsylvania. Parts of the original territory of Chester County, left of center in this 1687 map by Thomas Holme, became Lancaster County (1729), a small part of Berks County (1752), and Delaware County (1789). ( Library Company of Philadelphia)
One of Pennsylvania’s three original counties... Explore Chester County in Pennsylvania, home to popular attractions like Longwood Gardens, charming towns like Kennett Square and more.
Attractions. Home to an array of intriguing museums, historical landmarks, extravagant botanical gardens and more, Brandywine Valley is the perfect place to make new memories.
