Deep Creek Township is a township in Clinton County, Iowa, United States.

Deep Creek Township covers an area of 36.24 square miles (93.9 km2) and contains one incorporated settlement, Goose Lake.

According to the USGS, it contains three cemeteries: Saint Marys Catholic, Valley and Vernon Prairie.

Goose Lake is within this township.

This article about the geography of Clinton County, Iowa is a stub.