Grand River Township is a township in DeKalb County, Missouri, United States. At the 2020 census, its population was 4,371.

Grand River Township was established in 1845, taking its name from the Grand River.

Transportation The following highways travel through the township:

Interstate 35 U.S. Route 36 U.S. Route 69 Route 110 (Chicago–Kansas City Expressway) Route BB Route C Route EE

References