About Chester County, PA


Chester County is a county located in the U.S. state of Pennsylvania. As of 2010, the population was 498,886. The county seat is West Chester. It is the highest-income county in Pennsylvania and 24th highest in the nation as measured by median household income (as of 2010).[1] Chester County is home to many communities that comprise the westernmost extent of the wealthy Main Line suburbs.

Chester County is one of the three original counties of Pennsylvania created by William Penn in 1682. It is named for Cheshire, England. It is part of the Delaware Valley area, and is the only Delaware Valley county in Pennsylvania that does not border Philadelphia, though it is close.

Municipalities

Map of Chester County, Pennsylvania with Municipal Labels showing Cities and Boroughs (red), Townships (white), and Census-designated places (blue).

Under Pennsylvania law, there are four types of incorporated municipalities: cities, boroughs, townships, and, in at most two cases, towns. The post office uses community names and boundaries that usually do not correspond to the townships, and usually only have the same names as the municipalities for the cities and boroughs. The names used by the post office are generally used by residents to describe where they live. The following cities, boroughs and townships are located in Chester County:

Cities

Boroughs

Townships

Census-designated places are geographical areas designated by the U.S. Census Bureau for the purposes of compiling demographic data. They are not actual jurisdictions under Pennsylvania law.

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