Plum Creek is a long 2nd tributary to the Nanticoke River in Wicomico County, Maryland.
According to the Geographic Names Information System, it has also been known historically as:
Plum Creek rises in Columbia in Sussex County, Delaware and then flows northwest into Wicomico County, Maryland to join the Nanticoke River about 0.5 miles north of Riverton.
Plum Creek drains of area, receives about 44.3 in/year of precipitation, has a topographic wetness index of 627.39 and is about 13% forested.