Marshall township is located in Allegheny county Pennsylvania with a geographic area of square miles. The total population in Marshall township is 9,319 with 49.8% male and 50.2% female. Children under age 5 represent 4.2% of the population, under age 18 equal 27.0% of the population and over age 65 is 12.6% of the population. The median household income is $141,146, per capita income is $67,554. There are a total of 3,398 housing units with 88.1% owner occupied. Education includes 6.8% of residents that are high school graduates and 79.8% with a bachelor's degree or higher. The average temperature in Marshall township in the summer is 73 degrees, and in the winter 33 degrees.
