Sandown is located in Rockingham county New hampshire with a geographic area of square miles. The total population in Sandown is 6,453 with 48.6% male and 51.4% female. Children under age 5 represent 6.5% of the population, under age 18 equal 22.9% of the population and over age 65 is 11.0% of the population. The median household income is $112,634, per capita income is $40,437. There are a total of 2,261 housing units with 85.9% owner occupied. Education includes 20.1% of residents that are high school graduates and 32.8% with a bachelor's degree or higher. The average temperature in Sandown in the summer is 68 degrees, and in the winter 23 degrees.
