It is known for its colorful "Sound Off" feature and allowing voices from the community on either side of the political spectrum to be heard.
Its current name was adopted in 1959 and its offices left the economically declining City of Chester, Pennsylvania for Primos, an unincorporated postal designation in Upper Darby Township.
According to the Journal Register Company, it has the largest circulation of any suburban paper in the Philadelphia area.
The first edition of the paper, then known as the Chester Times, was a four-page broadsheet printed on September 7, 1876, selling for one cent.
Previously a six-day paper, the Delaware County Daily Times began to print Saturday editions on October 25, 1997.