Pembroke is located in Plymouth county Massachusetts with a geographic area of square miles. The total population in Pembroke is 18,455 with 48.4% male and 51.6% female. Children under age 5 represent 4.6% of the population, under age 18 equal 20.6% of the population and over age 65 is 16.4% of the population. The median household income is $119,827, per capita income is $49,105. There are a total of 6,643 housing units with 85.5% owner occupied. Education includes 22.3% of residents that are high school graduates and 44.7% with a bachelor's degree or higher. The average temperature in Pembroke in the summer is 70 degrees, and in the winter 30 degrees.