The median age in Pliny Township, Minnesota is 57.5, as per 2021 ACS 5-Year Estimates. Of the total population, 6.10% were under the age of 15, 26.83% aged 15 to 29, 31.71% aged 30 to 64, 35.37% aged 65 to 84, and 0.00% were 85 years of age and older.