Moultonborough is located in Carroll county New hampshire with a geographic area of square miles. The total population in Moultonborough is 4,131 with 52.4% male and 47.6% female. Children under age 5 represent 2.3% of the population, under age 18 equal 15.3% of the population and over age 65 is 32.5% of the population. The median household income is $74,812, per capita income is $51,824. There are a total of 1,799 housing units with 89.6% owner occupied. Education includes 20.2% of residents that are high school graduates and 46.7% with a bachelor's degree or higher. The average temperature in Moultonborough in the summer is 68 degrees, and in the winter 23 degrees.