Alamo is located in Contra costa county California with a geographic area of 9.8 square miles. The total population in Alamo is 13,864 with 52.4% male and 47.6% female. Children under age 5 represent 2.0% of the population, under age 18 equal 21.0% of the population and over age 65 is 23.5% of the population. The median household income is $248,167, per capita income is $108,034. There are a total of 4,734 housing units with 93.1% owner occupied. Education includes 4.0% of residents that are high school graduates and 78.3% with a bachelor's degree or higher. The average temperature in Alamo in the summer is 76 degrees, and in the winter 43 degrees.
