The median age in Belgium Township, Minnesota is 55.7, as per 2021 ACS 5-Year Estimates. Of the total population, 3.85% were under the age of 15, 25.00% aged 15 to 29, 50.00% aged 30 to 64, 21.15% aged 65 to 84, and 0.00% were 85 years of age and older.