About Middlesex County
Middlesex county is located in Massachusetts with a geographic area of 847.5 square miles. The total population in Middlesex county is 1,605,899 with 49.0% male and 51.0% female. Children under age 5 represent 5.3% of the population, under age 18 equal 19.8% of the population and over age 65 is 15.3% of the population. The median household income is $106,202, per capita income is $54,433. There are a total of 611,850 housing units with 62.1% owner occupied. Education includes 16.3% of residents that are high school graduates and 60.0% with a bachelor's degree or higher. The average temperature in Middlesex county in the summer is 70 degrees, and in the winter 29 degrees.