The median age in Corydon Township, Pennsylvania is 58.5, as per 2021 ACS 5-Year Estimates. Of the total population, 8.37% were under the age of 15, 5.02% aged 15 to 29, 54.39% aged 30 to 64, 31.80% aged 65 to 84, and 0.42% were 85 years of age and older.