Grand Detour Township is located in Ogle County, Illinois.

As of the 2010 census, its population was 698 and it contained 385 housing units.

[2] The township's land use is predominantly agriculture with single-family residential uses in the southeastern portion of the township.

[3] It is located in a multi-township assessment district with Pine Creek, Eagle Point, and Woosung townships.

This Ogle County, Illinois location article is a stub.