Elizabeth is located in Allegheny county Pennsylvania with a geographic area of 0.3 square miles. The total population in Elizabeth is 1,418 with 48.9% male and 51.1% female. Children under age 5 represent 4.8% of the population, under age 18 equal 18.1% of the population and over age 65 is 16.4% of the population. The median household income is $38,983, per capita income is $24,928. There are a total of 597 housing units with 59.0% owner occupied. Education includes 44.4% of residents that are high school graduates and 20.1% with a bachelor's degree or higher. The average temperature in Elizabeth in the summer is 73 degrees, and in the winter 33 degrees.