Ukiah is located in Mendocino county California with a geographic area of 4.8 square miles. The total population in Ukiah is 15,963 with 50.3% male and 49.7% female. Children under age 5 represent 6.7% of the population, under age 18 equal 25.6% of the population and over age 65 is 15.1% of the population. The median household income is $55,177, per capita income is $28,660. There are a total of 5,698 housing units with 49.2% owner occupied. Education includes 24.4% of residents that are high school graduates and 23.6% with a bachelor's degree or higher. The average temperature in Ukiah in the summer is 71 degrees, and in the winter 43 degrees.