Discovery bay is located in Contra costa county California with a geographic area of 5.6 square miles. The total population in Discovery bay is 15,904 with 49.1% male and 50.9% female. Children under age 5 represent 5.9% of the population, under age 18 equal 22.5% of the population and over age 65 is 18.6% of the population. The median household income is $129,004, per capita income is $52,961. There are a total of 5,427 housing units with 85.4% owner occupied. Education includes 19.8% of residents that are high school graduates and 38.5% with a bachelor's degree or higher. The average temperature in Discovery bay in the summer is 76 degrees, and in the winter 43 degrees.
