The median age in Agassiz Township, Minnesota is 51.6, as per 2021 ACS 5-Year Estimates. Of the total population, 16.67% were under the age of 15, 5.00% aged 15 to 29, 51.67% aged 30 to 64, 26.67% aged 65 to 84, and 0.00% were 85 years of age and older.