Peterborough is located in Hillsborough county New hampshire with a geographic area of 4.8 square miles. The total population in Peterborough is 2,704 with 43.2% male and 56.8% female. Children under age 5 represent 0.0% of the population, under age 18 equal 10.5% of the population and over age 65 is 40.0% of the population. The median household income is $80,833, per capita income is $65,240. There are a total of 1,418 housing units with 63.8% owner occupied. Education includes 19.1% of residents that are high school graduates and 51.4% with a bachelor's degree or higher. The average temperature in Peterborough in the summer is 68 degrees, and in the winter 23 degrees.
