Hickory Grove Township is a township in Scott County, Iowa, USA. As of the 2000 census, its population was 671.
Hickory Grove Township covers an area of and contains one incorporated settlement, Maysville. According to the USGS, it contains four cemeteries: Burch, Linn Grove, Maysville and O'Toole.
Hickory Grove Township had one grass landing strip, Stender Airport, at 24417 80th Ave, Walcott, IA. It was operated by Otto Stender from 1968 until he died in 2011.
Hickory Grove Township is home to the World's Largest Truck Stop, Iowa 80.