The median age in Tegner Township, Minnesota is 29.7, as per 2021 ACS 5-Year Estimates. Of the total population, 46.43% were under the age of 15, 5.36% aged 15 to 29, 28.57% aged 30 to 64, 16.07% aged 65 to 84, and 3.57% were 85 years of age and older.