- 1963: Pennsylvania Governor William Scranton signs into law Act 484, the Community College Act of 1963, which created the State Board of Education.
- 1967: 307 students enroll in an evening program in rented facilities at Ridley Township High School. There are 24 faculty members.
- 1967: The College newspaper, the Communitarian, is started as a mimeographed sheet. In the second year, it grows to a printed four-page newspaper.
- 1968: The College’s Instructional Resource Center includes a 4,500-volume library.
- 1969: The College celebrates its first 24 graduates.
- 1970: The Middle States Association of Colleges and Secondary Schools grants full accreditation to the Community College of Delaware County.
- 1971: Construction begins on the new campus in Marple Township in the fall.
- 1974: Dedication of the new $19.5 million campus in Marple Township
- 1977: For the first time, the enrollment of women college-wide exceeds the enrollment of men.
- 1978: The College has more than 30,000 Alumni who have taken one or more semesters of course work.
- 1980: Enrollment exceeds 6,000 students.
- 1982: New Beginnings, formerly the Displaced Homemakers Project, is launched.
- 1984: The Nursing Simulation Lab is constructed.
- 1986: The Center for Productivity and Advanced Technology is created.
- 1989: The College signs an articulation agreement with West Chester University
- 1990: The College furthers plans for a 40,000+-square-foot addition on the Main Campus’s Academic Building as part of a three-year plan.
- 1993: Paralegal Studies and Communication Arts programs begin.
- 1994: The Chester County Center opens in East High School, West Chester, marking the College’s first entry into Chester County.
- 1996: The College joins the Internet revolution and launches its new website.
- 1999: The groundwork is laid for a Chester County campus.
- 2000: The Workforce Entry Center opens at the Main Campus.
- 2002: The new Downingtown Campus opens to serve the educational needs of the Chester County community.
- 2003: Dr. Jerome S. Parker is chosen as the third President of Delaware County Community College.
- 2005: An all-College rally brings local legislators to the Marple Campus so students, faculty, staff and alumni can say “thank you” for their bi-partisan state support for the College’s budget.
- 2006: The Philadelphia Business Journal names the College the eighth largest institution of higher education in the tri-state region, serving more than 27,000 students annually.
- 2010: The repair and resurfacing of the six tennis courts took place.
- 2013: More than 1,700 students received degrees and certificates from Delaware County Community College at the Commencement ceremony.
- 2014: Coach Ed Bradshaw helped lead the Phantoms to the Region 19 Finals and win the 2013-14 EPAC men's basketball championship.
- 2015: Delaware County Community College receives $750,00 grant from CCRES
- 2017: College Receives Nearly $200,000 Grant for Technology Training.