Gladstone is located in Clay county Missouri with a geographic area of 8.1 square miles. The total population in Gladstone is 27,365 with 50.8% male and 49.2% female. Children under age 5 represent 6.5% of the population, under age 18 equal 20.0% of the population and over age 65 is 19.0% of the population. The median household income is $63,225, per capita income is $33,302. There are a total of 11,598 housing units with 65.0% owner occupied. Education includes 25.3% of residents that are high school graduates and 32.6% with a bachelor's degree or higher. The average temperature in Gladstone in the summer is 77 degrees, and in the winter 32 degrees.
