Angwin is located in Napa county California with a geographic area of 4.8 square miles. The total population in Angwin is 3,415 with 54.9% male and 45.1% female. Children under age 5 represent 3.0% of the population, under age 18 equal 14.2% of the population and over age 65 is 6.2% of the population. The median household income is $115,848, per capita income is $32,677. There are a total of 807 housing units with 55.5% owner occupied. Education includes 11.4% of residents that are high school graduates and 49.9% with a bachelor's degree or higher. The average temperature in Angwin in the summer is 76 degrees, and in the winter 43 degrees.
