Center Grove Township is one of twelve townships in Dickinson County, Iowa, USA.

As of the 2000 census, its population was 7,478.

[1] Center Grove Township was formed in 1866.

[2] 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.