Millinocket is located in Penobscot county Maine with a geographic area of 5.7 square miles. The total population in Millinocket is 4,280 with 48.7% male and 51.3% female. Children under age 5 represent 2.4% of the population, under age 18 equal 14.7% of the population and over age 65 is 34.7% of the population. The median household income is $42,271, per capita income is $29,571. There are a total of 2,185 housing units with 79.7% owner occupied. Education includes 51.5% of residents that are high school graduates and 12.1% with a bachelor's degree or higher. The average temperature in Millinocket in the summer is 68 degrees, and in the winter 25 degrees.