Millington is located in Morris county New jersey with a geographic area of 2.6 square miles. The total population in Millington is 3,165 with 50.7% male and 49.3% female. Children under age 5 represent 6.7% of the population, under age 18 equal 21.4% of the population and over age 65 is 19.5% of the population. The median household income is $151,094, per capita income is $77,852. There are a total of 1,121 housing units with 86.6% owner occupied. Education includes 20.0% of residents that are high school graduates and 62.0% with a bachelor's degree or higher. The average temperature in Millington in the summer is 73 degrees, and in the winter 34 degrees.