Wilmerding is located in Allegheny county Pennsylvania with a geographic area of 0.4 square miles. The total population in Wilmerding is 1,840 with 43.9% male and 56.1% female. Children under age 5 represent 4.6% of the population, under age 18 equal 24.7% of the population and over age 65 is 14.8% of the population. The median household income is $30,242, per capita income is $19,398. There are a total of 868 housing units with 31.5% owner occupied. Education includes 36.6% of residents that are high school graduates and 15.0% with a bachelor's degree or higher. The average temperature in Wilmerding in the summer is 73 degrees, and in the winter 33 degrees.