Lemoyne is located in Cumberland county Pennsylvania with a geographic area of 1.6 square miles. The total population in Lemoyne is 4,635 with 46.5% male and 53.5% female. Children under age 5 represent 10.6% of the population, under age 18 equal 19.7% of the population and over age 65 is 12.8% of the population. The median household income is $63,629, per capita income is $40,429. There are a total of 2,158 housing units with 58.1% owner occupied. Education includes 22.7% of residents that are high school graduates and 40.1% with a bachelor's degree or higher. The average temperature in Lemoyne in the summer is 73 degrees, and in the winter 33 degrees.