Parker is located in Armstrong county Pennsylvania with a geographic area of 1.0 square miles. The total population in Parker is 693 with 47.0% male and 53.0% female. Children under age 5 represent 4.6% of the population, under age 18 equal 26.1% of the population and over age 65 is 23.7% of the population. The median household income is $39,886, per capita income is $21,725. There are a total of 269 housing units with 71.4% owner occupied. Education includes 35.7% of residents that are high school graduates and 17.8% with a bachelor's degree or higher. The average temperature in Parker in the summer is 73 degrees, and in the winter 33 degrees.