Pembroke is located in Washington county Maine with a geographic area of square miles. The total population in Pembroke is 898 with 42.9% male and 57.1% female. Children under age 5 represent 7.0% of the population, under age 18 equal 21.2% of the population and over age 65 is 30.7% of the population. The median household income is $48,375, per capita income is $23,876. There are a total of 391 housing units with 82.1% owner occupied. Education includes 30.9% of residents that are high school graduates and 22.8% with a bachelor's degree or higher. The average temperature in Pembroke in the summer is 68 degrees, and in the winter 25 degrees.