- Population: 20,891
- Median Household Income: $44,493
- Average Work Commute: 20.4 minutes
West Chester is located in Chester County, Pennsylvania. As of the 2010 census, the population was 498,886, with an estimated population of 500,182 in 2011. 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). Eastern Chester County is home to many communities that comprise the Main Line western suburbs of Philadelphia, while part of its southernmost portion is considered suburban Wilmington, Delaware, along with southwest Delaware County.
Chester County was one of the three original Pennsylvania counties created by William Penn in 1682. It was named for Chester, England. It is part of the Delaware Valley region and is the only Delaware Valley county in Pennsylvania that does not border Philadelphia.