Swampscott is located in Essex county Massachusetts with a geographic area of 3.0 square miles. The total population in Swampscott is 15,184 with 45.7% male and 54.3% female. Children under age 5 represent 5.7% of the population, under age 18 equal 20.7% of the population and over age 65 is 19.2% of the population. The median household income is $102,898, per capita income is $58,664. There are a total of 6,061 housing units with 73.7% owner occupied. Education includes 14.4% of residents that are high school graduates and 63.8% with a bachelor's degree or higher. The average temperature in Swampscott in the summer is 70 degrees, and in the winter 30 degrees.