Rockport is located in Knox county Maine with a geographic area of square miles. The total population in Rockport is 3,373 with 46.1% male and 53.9% female. Children under age 5 represent 3.0% of the population, under age 18 equal 20.2% of the population and over age 65 is 21.2% of the population. The median household income is $80,192, per capita income is $38,904. There are a total of 1,290 housing units with 79.2% owner occupied. Education includes 23.5% of residents that are high school graduates and 48.3% with a bachelor's degree or higher. The average temperature in Rockport in the summer is 68 degrees, and in the winter 25 degrees.