Center Grove Township is one of twelve townships in Dickinson County, Iowa, USA. As of the 2000 census, its population was 7,478.
Center Grove Township was formed in 1866.
According to the United States Census Bureau, Center Grove Township covers an area of 36.15 square miles (93.63 square kilometers); of this, 31.38 square miles (81.28 square kilometers, 86.81 percent) is land and 4.77 square miles (12.35 square kilometers, 13.19 percent) is water.
The township contains these three cemeteries: Lake View, Lakeland Memory Gardens and Rose Hill.