Alamosa is located in Alamosa county Colorado with a geographic area of 7.6 square miles. The total population in Alamosa is 9,360 with 47.9% male and 52.1% female. Children under age 5 represent 7.0% of the population, under age 18 equal 23.9% of the population and over age 65 is 9.8% of the population. The median household income is $38,000, per capita income is $20,981. There are a total of 3,814 housing units with 38.7% owner occupied. Education includes 22.4% of residents that are high school graduates and 23.6% with a bachelor's degree or higher. The average temperature in Alamosa in the summer is 62 degrees, and in the winter 29 degrees.