City of Chester, PA – Chief Operating Officer (COO)     Please follow this link to view the full brochure: https://www.affionpublic.com/position/chief-operating-officer-coo/   The Community Incorporated in 1682, Chester is located on the Delaware River and situated between the major business centers of Philadelphia and Wilmington, Chester offers easy access to I-95, the Commodore Barry Bridge to New Jersey, and the Philadelphia International Airport. Chester has a population of 33,982 and is the only City in Delaware County.