Gray summit is located in Franklin county Missouri with a geographic area of 7.7 square miles. The total population in Gray summit is 2,383 with 45.5% male and 54.5% female. Children under age 5 represent 7.8% of the population, under age 18 equal 25.4% of the population and over age 65 is 12.7% of the population. The median household income is $53,527, per capita income is $23,197. There are a total of 905 housing units with 78.3% owner occupied. Education includes 34.5% of residents that are high school graduates and 15.5% with a bachelor's degree or higher. The average temperature in Gray summit in the summer is 77 degrees, and in the winter 32 degrees.