Smith river is located in Del norte county California with a geographic area of 4.4 square miles. The total population in Smith river is 670 with 57.8% male and 42.2% female. Children under age 5 represent 0.0% of the population, under age 18 equal 25.2% of the population and over age 65 is 14.6% of the population. The median household income is $82,702, per capita income is $24,610. There are a total of 207 housing units with 84.1% owner occupied. Education includes 2.9% of residents that are high school graduates and 4.3% with a bachelor's degree or higher. The average temperature in Smith river in the summer is 76 degrees, and in the winter 43 degrees.