King william is located in King william county Virginia with a geographic area of 4.6 square miles. The total population in King william is 314 with 43.0% male and 57.0% female. Children under age 5 represent 16.6% of the population, under age 18 equal 37.9% of the population and over age 65 is 4.5% of the population. The median household income is $95,852, per capita income is $28,709. There are a total of 91 housing units with 92.3% owner occupied. Education includes 25.3% of residents that are high school graduates and 33.0% with a bachelor's degree or higher. The average temperature in King william in the summer is 71 degrees, and in the winter 35 degrees.
