Caldwell is located in Canyon county Idaho with a geographic area of 22.9 square miles. The total population in Caldwell is 56,734 with 49.1% male and 50.9% female. Children under age 5 represent 9.2% of the population, under age 18 equal 33.5% of the population and over age 65 is 9.8% of the population. The median household income is $55,069, per capita income is $20,302. There are a total of 17,494 housing units with 67.0% owner occupied. Education includes 32.0% of residents that are high school graduates and 19.8% with a bachelor's degree or higher. The average temperature in Caldwell in the summer is 73 degrees, and in the winter 24 degrees.
