Alstead is located in Cheshire county New hampshire with a geographic area of square miles. The total population in Alstead is 1,656 with 44.4% male and 55.6% female. Children under age 5 represent 3.3% of the population, under age 18 equal 12.6% of the population and over age 65 is 26.1% of the population. The median household income is $48,636, per capita income is $29,680. There are a total of 792 housing units with 65.3% owner occupied. Education includes 51.9% of residents that are high school graduates and 21.6% with a bachelor's degree or higher. The average temperature in Alstead in the summer is 68 degrees, and in the winter 23 degrees.
