Lynnfield is located in Essex county Massachusetts with a geographic area of 9.9 square miles. The total population in Lynnfield is 12,968 with 46.2% male and 53.8% female. Children under age 5 represent 7.0% of the population, under age 18 equal 27.0% of the population and over age 65 is 16.7% of the population. The median household income is $145,594, per capita income is $64,690. There are a total of 4,520 housing units with 85.2% owner occupied. Education includes 19.1% of residents that are high school graduates and 62.6% with a bachelor's degree or higher. The average temperature in Lynnfield in the summer is 70 degrees, and in the winter 30 degrees.
