Glendale is located in St. louis county Missouri with a geographic area of 1.3 square miles. The total population in Glendale is 5,881 with 46.4% male and 53.6% female. Children under age 5 represent 8.2% of the population, under age 18 equal 28.0% of the population and over age 65 is 16.6% of the population. The median household income is $141,622, per capita income is $63,632. There are a total of 2,271 housing units with 96.7% owner occupied. Education includes 4.2% of residents that are high school graduates and 74.3% with a bachelor's degree or higher. The average temperature in Glendale in the summer is 77 degrees, and in the winter 32 degrees.