Walpole is located in Cheshire county New hampshire with a geographic area of 1.2 square miles. The total population in Walpole is 647 with 51.2% male and 48.8% female. Children under age 5 represent 0.0% of the population, under age 18 equal 17.5% of the population and over age 65 is 45.4% of the population. The median household income is $44,655, per capita income is $51,857. There are a total of 384 housing units with 50.8% owner occupied. Education includes 12.8% of residents that are high school graduates and 53.4% with a bachelor's degree or higher. The average temperature in Walpole in the summer is 68 degrees, and in the winter 23 degrees.