Granite Rock Township is one of the twenty-six townships of Redwood County, Minnesota, United States. The population was 241 at the 2000 census.
Granite Rock Township was organized in 1890, and named for the granite rock formations in the Redwood River valley.
Geography
According to the United States Census Bureau, the township has a total area of , of which is land and (0.05%) is water.
Per its name, Granite Rock Township contains deposits of granite, a rock composed of three different major minerals.
The city of Lucan is located in Granite Rock Township.
Demographics
As of the census