The median age in Terrebonne Township, Minnesota is 36.8, as per 2021 ACS 5-Year Estimates. Of the total population, 23.36% were under the age of 15, 19.71% aged 15 to 29, 39.42% aged 30 to 64, 16.06% aged 65 to 84, and 1.46% were 85 years of age and older.