Sonora is located in Tuolumne county California with a geographic area of 3.2 square miles. The total population in Sonora is 4,832 with 43.9% male and 56.1% female. Children under age 5 represent 5.3% of the population, under age 18 equal 22.6% of the population and over age 65 is 25.2% of the population. The median household income is $54,777, per capita income is $32,908. There are a total of 2,045 housing units with 55.1% owner occupied. Education includes 20.4% of residents that are high school graduates and 31.1% with a bachelor's degree or higher. The average temperature in Sonora in the summer is 73 degrees, and in the winter 43 degrees.