Winchester is located in Middlesex county Massachusetts with a geographic area of 6.0 square miles. The total population in Winchester is 22,760 with 47.4% male and 52.6% female. Children under age 5 represent 6.1% of the population, under age 18 equal 27.9% of the population and over age 65 is 18.3% of the population. The median household income is $173,058, per capita income is $84,353. There are a total of 8,065 housing units with 83.8% owner occupied. Education includes 9.8% of residents that are high school graduates and 78.3% with a bachelor's degree or higher. The average temperature in Winchester in the summer is 70 degrees, and in the winter 30 degrees.
