Holts summit is located in Callaway county Missouri with a geographic area of 3.7 square miles. The total population in Holts summit is 4,790 with 48.5% male and 51.5% female. Children under age 5 represent 12.4% of the population, under age 18 equal 29.0% of the population and over age 65 is 14.5% of the population. The median household income is $64,391, per capita income is $25,739. There are a total of 1,829 housing units with 70.0% owner occupied. Education includes 21.3% of residents that are high school graduates and 26.4% with a bachelor's degree or higher. The average temperature in Holts summit in the summer is 76 degrees, and in the winter 32 degrees.