Lebanon is located in New london county Connecticut with a geographic area of square miles. The total population in Lebanon is 7,175 with 52.7% male and 47.3% female. Children under age 5 represent 2.3% of the population, under age 18 equal 17.6% of the population and over age 65 is 19.5% of the population. The median household income is $97,422, per capita income is $47,962. There are a total of 2,921 housing units with 92.6% owner occupied. Education includes 25.6% of residents that are high school graduates and 35.1% with a bachelor's degree or higher. The average temperature in Lebanon in the summer is 68 degrees, and in the winter 27 degrees.