Little rock is located in Lyon county Iowa with a geographic area of 1.0 square miles. The total population in Little rock is 458 with 49.1% male and 50.9% female. Children under age 5 represent 4.6% of the population, under age 18 equal 22.1% of the population and over age 65 is 18.6% of the population. The median household income is $54,018, per capita income is $26,078. There are a total of 185 housing units with 81.1% owner occupied. Education includes 36.8% of residents that are high school graduates and 20.0% with a bachelor's degree or higher. The average temperature in Little rock in the summer is 68 degrees, and in the winter 23 degrees.