Walnut Township is a township in Dallas County, Iowa, United States. As of the 2000 census, its population was 8,074.

Geography Walnut Township covers an area of and contains one incorporated settlement, Waukee. According to the USGS, it contains two cemeteries: Hoff and Waukee.

The stream of Little Walnut Creek runs through this township.

Transportation Walnut Township contains one airport or landing strip, Robel Field.

References USGS Geographic Names Information System (GNIS)

External links US-Counties.com City-Data.com