Gig harbor is located in Pierce county Washington with a geographic area of 5.9 square miles. The total population in Gig harbor is 10,280 with 44.9% male and 55.1% female. Children under age 5 represent 7.1% of the population, under age 18 equal 22.9% of the population and over age 65 is 28.9% of the population. The median household income is $84,861, per capita income is $51,048. There are a total of 4,403 housing units with 61.0% owner occupied. Education includes 11.7% of residents that are high school graduates and 49.3% with a bachelor's degree or higher. The average temperature in Gig harbor in the summer is 60 degrees, and in the winter 42 degrees.