Lawrence is located in Essex county Massachusetts with a geographic area of 6.9 square miles. The total population in Lawrence is 80,022 with 50.0% male and 50.0% female. Children under age 5 represent 7.7% of the population, under age 18 equal 26.8% of the population and over age 65 is 10.2% of the population. The median household income is $45,045, per capita income is $21,655. There are a total of 26,551 housing units with 29.7% owner occupied. Education includes 28.7% of residents that are high school graduates and 14.6% with a bachelor's degree or higher. The average temperature in Lawrence in the summer is 69 degrees, and in the winter 30 degrees.