Mount joy is located in Lancaster county Pennsylvania with a geographic area of 2.4 square miles. The total population in Mount joy is 8,204 with 52.4% male and 47.6% female. Children under age 5 represent 6.1% of the population, under age 18 equal 22.8% of the population and over age 65 is 16.5% of the population. The median household income is $65,770, per capita income is $35,456. There are a total of 3,479 housing units with 64.1% owner occupied. Education includes 37.3% of residents that are high school graduates and 28.5% with a bachelor's degree or higher. The average temperature in Mount joy in the summer is 73 degrees, and in the winter 33 degrees.
