The median age in Polk Centre Township, Minnesota is 60.5, as per 2021 ACS 5-Year Estimates. Of the total population, 10.71% were under the age of 15, 10.71% aged 15 to 29, 35.71% aged 30 to 64, 32.14% aged 65 to 84, and 10.71% were 85 years of age and older.