The median age in Prairie Lake Township, Minnesota is 65.2, as per 2021 ACS 5-Year Estimates. Of the total population, 0.00% were under the age of 15, 7.89% aged 15 to 29, 36.84% aged 30 to 64, 55.26% aged 65 to 84, and 0.00% were 85 years of age and older.