Orrtanna is located in Adams county Pennsylvania with a geographic area of 0.2 square miles. The total population in Orrtanna is 116 with 43.1% male and 56.9% female. Children under age 5 represent 0.0% of the population, under age 18 equal 35.3% of the population and over age 65 is 19.8% of the population. The median household income is $37,708, per capita income is $15,693. There are a total of 47 housing units with 72.3% owner occupied. Education includes 14.9% of residents that are high school graduates and 29.8% with a bachelor's degree or higher. The average temperature in Orrtanna in the summer is 73 degrees, and in the winter 33 degrees.
