Johnstown is located in Somerset county Pennsylvania with a geographic area of 5.9 square miles. The total population in Johnstown is 19,381 with 46.9% male and 53.1% female. Children under age 5 represent 5.7% of the population, under age 18 equal 21.4% of the population and over age 65 is 21.0% of the population. The median household income is $29,171, per capita income is $19,703. There are a total of 9,889 housing units with 50.0% owner occupied. Education includes 40.9% of residents that are high school graduates and 14.7% with a bachelor's degree or higher. The average temperature in Johnstown in the summer is 72 degrees, and in the winter 33 degrees.
