Sewickley township is located in Westmoreland county Pennsylvania with a geographic area of 1.0 square miles. The total population in Sewickley township is 5,753 with 48.6% male and 51.4% female. Children under age 5 represent 4.5% of the population, under age 18 equal 18.8% of the population and over age 65 is 23.0% of the population. The median household income is $63,876, per capita income is $27,998. There are a total of 2,314 housing units with 83.1% owner occupied. Education includes 45.6% of residents that are high school graduates and 17.0% with a bachelor's degree or higher. The average temperature in Sewickley township in the summer is 73 degrees, and in the winter 33 degrees.