Brookline is located in Hillsborough county New hampshire with a geographic area of square miles. The total population in Brookline is 5,394 with 47.6% male and 52.4% female. Children under age 5 represent 5.8% of the population, under age 18 equal 26.8% of the population and over age 65 is 8.9% of the population. The median household income is $142,033, per capita income is $52,698. There are a total of 1,738 housing units with 95.4% owner occupied. Education includes 13.3% of residents that are high school graduates and 63.3% with a bachelor's degree or higher. The average temperature in Brookline in the summer is 68 degrees, and in the winter 23 degrees.
