Castine is located in Hancock county Maine with a geographic area of 1.5 square miles. The total population in Castine is 813 with 72.0% male and 28.0% female. Children under age 5 represent 0.0% of the population, under age 18 equal 10.1% of the population and over age 65 is 11.8% of the population. The median household income is $138,125, per capita income is $22,148. There are a total of 119 housing units with 69.7% owner occupied. Education includes 0.0% of residents that are high school graduates and 65.5% with a bachelor's degree or higher. The average temperature in Castine in the summer is 68 degrees, and in the winter 25 degrees.
