The median age in Sinnott Township, Minnesota is 68.1, 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, 33.33% aged 30 to 64, 66.67% aged 65 to 84, and 0.00% were 85 years of age and older.