Algona is located in Kossuth county Iowa with a geographic area of 4.5 square miles. The total population in Algona is 5,415 with 45.5% male and 54.5% female. Children under age 5 represent 7.5% of the population, under age 18 equal 18.1% of the population and over age 65 is 26.0% of the population. The median household income is $48,492, per capita income is $31,556. There are a total of 2,645 housing units with 60.8% owner occupied. Education includes 35.9% of residents that are high school graduates and 19.5% with a bachelor's degree or higher. The average temperature in Algona in the summer is 70 degrees, and in the winter 23 degrees.