The median age in Hampden Township, Minnesota is 74.3, as per 2021 ACS 5-Year Estimates. Of the total population, 0.00% were under the age of 15, 0.00% aged 15 to 29, 25.00% aged 30 to 64, 65.00% aged 65 to 84, and 10.00% were 85 years of age and older.