The median age in Armenia Township, Pennsylvania is 58.1, as per 2021 ACS 5-Year Estimates. Of the total population, 18.75% were under the age of 15, 9.38% aged 15 to 29, 40.62% aged 30 to 64, 29.69% aged 65 to 84, and 1.56% were 85 years of age and older.