Lacona is located in Warren county Iowa with a geographic area of 0.3 square miles. The total population in Lacona is 339 with 51.3% male and 48.7% female. Children under age 5 represent 3.5% of the population, under age 18 equal 16.2% of the population and over age 65 is 29.5% of the population. The median household income is $57,750, per capita income is $28,168. There are a total of 159 housing units with 74.8% owner occupied. Education includes 41.5% of residents that are high school graduates and 18.9% with a bachelor's degree or higher. The average temperature in Lacona in the summer is 72 degrees, and in the winter 23 degrees.