Carlsbad is located in San diego county California with a geographic area of 37.8 square miles. The total population in Carlsbad is 114,411 with 49.3% male and 50.7% female. Children under age 5 represent 4.9% of the population, under age 18 equal 23.2% of the population and over age 65 is 16.5% of the population. The median household income is $112,933, per capita income is $57,607. There are a total of 43,107 housing units with 62.5% owner occupied. Education includes 7.8% of residents that are high school graduates and 63.0% with a bachelor's degree or higher. The average temperature in Carlsbad in the summer is 69 degrees, and in the winter 43 degrees.