Alta is located in Buena vista county Iowa with a geographic area of 1.1 square miles. The total population in Alta is 1,978 with 44.8% male and 55.2% female. Children under age 5 represent 8.3% of the population, under age 18 equal 30.5% of the population and over age 65 is 16.4% of the population. The median household income is $53,929, per capita income is $27,213. There are a total of 758 housing units with 77.8% owner occupied. Education includes 29.4% of residents that are high school graduates and 24.7% with a bachelor's degree or higher. The average temperature in Alta in the summer is 70 degrees, and in the winter 23 degrees.
