Portland is located in Middlesex county Connecticut with a geographic area of 6.0 square miles. The total population in Portland is 5,937 with 47.5% male and 52.5% female. Children under age 5 represent 5.4% of the population, under age 18 equal 20.2% of the population and over age 65 is 18.9% of the population. The median household income is $76,908, per capita income is $40,242. There are a total of 2,505 housing units with 77.8% owner occupied. Education includes 27.8% of residents that are high school graduates and 29.4% with a bachelor's degree or higher. The average temperature in Portland in the summer is 68 degrees, and in the winter 27 degrees.
