Wilmington township is located in Lawrence county Pennsylvania with a geographic area of square miles. The total population in Wilmington township is 1,276 with 47.4% male and 52.6% female. Children under age 5 represent 9.7% of the population, under age 18 equal 27.7% of the population and over age 65 is 19.8% of the population. The median household income is $59,688, per capita income is $32,477. There are a total of 494 housing units with 79.1% owner occupied. Education includes 33.2% of residents that are high school graduates and 27.7% with a bachelor's degree or higher. The average temperature in Wilmington township in the summer is 73 degrees, and in the winter 33 degrees.