Mill creek is located in Huntingdon county Pennsylvania with a geographic area of 0.3 square miles. The total population in Mill creek is 337 with 51.9% male and 48.1% female. Children under age 5 represent 9.8% of the population, under age 18 equal 29.7% of the population and over age 65 is 13.9% of the population. The median household income is $45,625, per capita income is $21,834. There are a total of 126 housing units with 66.7% owner occupied. Education includes 55.6% of residents that are high school graduates and 9.5% with a bachelor's degree or higher. The average temperature in Mill creek in the summer is 73 degrees, and in the winter 33 degrees.