Lancaster is located in Worcester county Massachusetts with a geographic area of square miles. The total population in Lancaster is 7,984 with 61.0% male and 39.0% female. Children under age 5 represent 3.9% of the population, under age 18 equal 16.6% of the population and over age 65 is 18.7% of the population. The median household income is $103,140, per capita income is $38,661. There are a total of 2,700 housing units with 80.7% owner occupied. Education includes 15.4% of residents that are high school graduates and 61.8% with a bachelor's degree or higher. The average temperature in Lancaster in the summer is 70 degrees, and in the winter 30 degrees.
