Knox is located in Clarion county Pennsylvania with a geographic area of 0.6 square miles. The total population in Knox is 1,008 with 49.8% male and 50.2% female. Children under age 5 represent 4.8% of the population, under age 18 equal 20.3% of the population and over age 65 is 19.1% of the population. The median household income is $45,238, per capita income is $25,705. There are a total of 470 housing units with 67.4% owner occupied. Education includes 47.4% of residents that are high school graduates and 23.6% with a bachelor's degree or higher. The average temperature in Knox in the summer is 73 degrees, and in the winter 33 degrees.
