Hillsborough is located in Hillsborough county New hampshire with a geographic area of 1.9 square miles. The total population in Hillsborough is 1,421 with 40.5% male and 59.5% female. Children under age 5 represent 0.0% of the population, under age 18 equal 18.7% of the population and over age 65 is 20.1% of the population. The median household income is $72,875, per capita income is $31,062. There are a total of 583 housing units with 83.0% owner occupied. Education includes 44.4% of residents that are high school graduates and 7.5% with a bachelor's degree or higher. The average temperature in Hillsborough in the summer is 68 degrees, and in the winter 23 degrees.
