Leicester is located in Worcester county Massachusetts with a geographic area of square miles. The total population in Leicester is 11,314 with 48.2% male and 51.8% female. Children under age 5 represent 3.7% of the population, under age 18 equal 18.9% of the population and over age 65 is 15.4% of the population. The median household income is $84,236, per capita income is $37,640. There are a total of 4,068 housing units with 81.8% owner occupied. Education includes 24.2% of residents that are high school graduates and 29.0% with a bachelor's degree or higher. The average temperature in Leicester in the summer is 70 degrees, and in the winter 30 degrees.