Amherst is located in Hillsborough county New hampshire with a geographic area of 0.7 square miles. The total population in Amherst is 656 with 51.5% male and 48.5% female. Children under age 5 represent 0.0% of the population, under age 18 equal 34.0% of the population and over age 65 is 21.0% of the population. The median household income is $151,346, per capita income is $124,445. There are a total of 232 housing units with 87.9% owner occupied. Education includes 0.0% of residents that are high school graduates and 76.3% with a bachelor's degree or higher. The average temperature in Amherst in the summer is 68 degrees, and in the winter 23 degrees.