Grain valley is located in Jackson county Missouri with a geographic area of 6.2 square miles. The total population in Grain valley is 14,261 with 48.7% male and 51.3% female. Children under age 5 represent 7.4% of the population, under age 18 equal 33.0% of the population and over age 65 is 10.5% of the population. The median household income is $76,750, per capita income is $29,097. There are a total of 5,109 housing units with 67.5% owner occupied. Education includes 31.1% of residents that are high school graduates and 25.1% with a bachelor's degree or higher. The average temperature in Grain valley in the summer is 77 degrees, and in the winter 32 degrees.
