Imperial is located in Allegheny county Pennsylvania with a geographic area of 3.2 square miles. The total population in Imperial is 2,569 with 49.9% male and 50.1% female. Children under age 5 represent 4.6% of the population, under age 18 equal 16.6% of the population and over age 65 is 13.1% of the population. The median household income is $55,132, per capita income is $35,751. There are a total of 1,290 housing units with 61.7% owner occupied. Education includes 29.1% of residents that are high school graduates and 44.9% with a bachelor's degree or higher. The average temperature in Imperial in the summer is 73 degrees, and in the winter 33 degrees.