Holbrook is located in Norfolk county Massachusetts with a geographic area of 7.3 square miles. The total population in Holbrook is 11,051 with 48.8% male and 51.2% female. Children under age 5 represent 4.2% of the population, under age 18 equal 19.0% of the population and over age 65 is 17.5% of the population. The median household income is $79,718, per capita income is $38,855. There are a total of 4,352 housing units with 78.6% owner occupied. Education includes 26.1% of residents that are high school graduates and 30.0% with a bachelor's degree or higher. The average temperature in Holbrook in the summer is 70 degrees, and in the winter 30 degrees.
