Holtville is located in Imperial county California with a geographic area of 1.2 square miles. The total population in Holtville is 6,129 with 47.7% male and 52.3% female. Children under age 5 represent 6.7% of the population, under age 18 equal 29.5% of the population and over age 65 is 15.4% of the population. The median household income is $43,765, per capita income is $16,355. There are a total of 1,607 housing units with 53.8% owner occupied. Education includes 24.2% of residents that are high school graduates and 9.3% with a bachelor's degree or higher. The average temperature in Holtville in the summer is 76 degrees, and in the winter 43 degrees.
