Chester County, Pennsylvania

county in Pennsylvania, United States

Chester County (Chesco) is a county in the U.S. state of Pennsylvania. As of the 2010 census, the population was 498,886.[1] The county seat is West Chester.[2]


  1. "QuickFacts Chester County, Pennsylvania". United States Census Bureau. Retrieved June 18, 2018.
  2. "Find a County". National Association of Counties. Archived from the original on May 10, 2015. Retrieved 2011-06-07.