The median age in Sandsville Township, Minnesota is 49.6, as per 2021 ACS 5-Year Estimates. Of the total population, 19.15% were under the age of 15, 1.06% aged 15 to 29, 53.19% aged 30 to 64, 0.00% aged 65 to 84, and 26.60% were 85 years of age and older.