Kingston is located in Kitsap county Washington with a geographic area of 2.1 square miles. The total population in Kingston is 2,836 with 41.2% male and 58.8% female. Children under age 5 represent 5.7% of the population, under age 18 equal 15.7% of the population and over age 65 is 21.5% of the population. The median household income is $77,008, per capita income is $38,771. There are a total of 1,199 housing units with 58.5% owner occupied. Education includes 6.6% of residents that are high school graduates and 43.3% with a bachelor's degree or higher. The average temperature in Kingston in the summer is 60 degrees, and in the winter 42 degrees.