Allentown is located in Lehigh county Pennsylvania with a geographic area of 17.6 square miles. The total population in Allentown is 121,156 with 48.4% male and 51.6% female. Children under age 5 represent 7.8% of the population, under age 18 equal 26.4% of the population and over age 65 is 11.8% of the population. The median household income is $43,816, per capita income is $21,144. There are a total of 42,801 housing units with 41.5% owner occupied. Education includes 35.8% of residents that are high school graduates and 18.5% with a bachelor's degree or higher. The average temperature in Allentown in the summer is 71 degrees, and in the winter 33 degrees.
