Olivette is located in St. louis county Missouri with a geographic area of 2.8 square miles. The total population in Olivette is 7,837 with 47.5% male and 52.5% female. Children under age 5 represent 5.6% of the population, under age 18 equal 27.8% of the population and over age 65 is 16.9% of the population. The median household income is $90,123, per capita income is $51,402. There are a total of 3,114 housing units with 73.9% owner occupied. Education includes 7.5% of residents that are high school graduates and 68.4% with a bachelor's degree or higher. The average temperature in Olivette in the summer is 77 degrees, and in the winter 32 degrees.