Salisbury is located in Essex county Massachusetts with a geographic area of 5.9 square miles. The total population in Salisbury is 5,116 with 53.0% male and 47.0% female. Children under age 5 represent 4.1% of the population, under age 18 equal 14.2% of the population and over age 65 is 28.1% of the population. The median household income is $79,805, per capita income is $53,435. There are a total of 2,397 housing units with 75.7% owner occupied. Education includes 14.3% of residents that are high school graduates and 51.4% with a bachelor's degree or higher. The average temperature in Salisbury in the summer is 70 degrees, and in the winter 30 degrees.