Lisbon is located in New london county Connecticut with a geographic area of square miles. The total population in Lisbon is 4,246 with 49.0% male and 51.0% female. Children under age 5 represent 3.5% of the population, under age 18 equal 22.8% of the population and over age 65 is 16.9% of the population. The median household income is $86,641, per capita income is $41,696. There are a total of 1,759 housing units with 88.9% owner occupied. Education includes 36.0% of residents that are high school graduates and 22.1% with a bachelor's degree or higher. The average temperature in Lisbon in the summer is 68 degrees, and in the winter 27 degrees.
