Oak grove is located in Jackson county Missouri with a geographic area of 0.6 square miles. The total population in Oak grove is 477 with 60.6% male and 39.4% female. Children under age 5 represent 9.0% of the population, under age 18 equal 23.1% of the population and over age 65 is 23.9% of the population. The median household income is $45,288, per capita income is $17,268. There are a total of 153 housing units with 53.6% owner occupied. Education includes 22.9% of residents that are high school graduates and 10.5% with a bachelor's degree or higher. The average temperature in Oak grove in the summer is 77 degrees, and in the winter 32 degrees.