The median age in Alma Township, Minnesota is 39.8, as per 2021 ACS 5-Year Estimates. Of the total population, 18.10% were under the age of 15, 20.95% aged 15 to 29, 35.24% aged 30 to 64, 15.24% aged 65 to 84, and 10.48% were 85 years of age and older.