Ashton is located in Osceola county Iowa with a geographic area of 1.0 square miles. The total population in Ashton is 535 with 44.9% male and 55.1% female. Children under age 5 represent 7.3% of the population, under age 18 equal 30.3% of the population and over age 65 is 11.2% of the population. The median household income is $46,971, per capita income is $23,112. There are a total of 217 housing units with 79.7% owner occupied. Education includes 29.0% of residents that are high school graduates and 8.8% with a bachelor's degree or higher. The average temperature in Ashton in the summer is 70 degrees, and in the winter 23 degrees.