The median age in Walter Township, Minnesota is 52.7, as per 2021 ACS 5-Year Estimates. Of the total population, 10.85% were under the age of 15, 9.30% aged 15 to 29, 53.49% aged 30 to 64, 25.58% aged 65 to 84, and 0.78% were 85 years of age and older.