The median age in Balsam township, Aitkin County, Minnesota is 67.2, as per 2021 ACS 5-Year Estimates. Of the total population, 7.69% were under the age of 15, 0.00% aged 15 to 29, 35.90% aged 30 to 64, 46.15% aged 65 to 84, and 10.26% were 85 years of age and older.