Santa ynez is located in Santa barbara county California with a geographic area of 4.8 square miles. The total population in Santa ynez is 4,728 with 48.2% male and 51.8% female. Children under age 5 represent 1.2% of the population, under age 18 equal 20.5% of the population and over age 65 is 21.3% of the population. The median household income is $99,349, per capita income is $48,096. There are a total of 1,768 housing units with 72.7% owner occupied. Education includes 17.7% of residents that are high school graduates and 32.5% with a bachelor's degree or higher. The average temperature in Santa ynez in the summer is 76 degrees, and in the winter 43 degrees.