Perch Creek is a long 2nd order tributary to the Elk River in Cecil County, Maryland.
According to the Geographic Names Information System, it has also been known historically as:
Perch Creek rises on the Belltown Run divide at Melody Meadows in New Castle County, Delaware. Perch Creek then flows southwest into Maryland to meet the Elk River at Old Frenchtown Wharf, Maryland.
Perch Creek drains of area, receives about 46.0 in/year of precipitation, has a topographic wetness index of 512.53 and is about 25.9% forested.