The median age in Browns Valley Township, Minnesota is 34.8, as per 2021 ACS 5-Year Estimates. Of the total population, 31.25% were under the age of 15, 8.59% aged 15 to 29, 50.78% aged 30 to 64, 9.38% aged 65 to 84, and 0.00% were 85 years of age and older.