Collier township is located in Allegheny county Pennsylvania with a geographic area of square miles. The total population in Collier township is 8,187 with 45.7% male and 54.3% female. Children under age 5 represent 4.7% of the population, under age 18 equal 18.0% of the population and over age 65 is 25.7% of the population. The median household income is $93,782, per capita income is $60,945. There are a total of 3,898 housing units with 84.9% owner occupied. Education includes 26.6% of residents that are high school graduates and 52.6% with a bachelor's degree or higher. The average temperature in Collier township in the summer is 73 degrees, and in the winter 33 degrees.
