Locust grove is located in Mayes county Oklahoma with a geographic area of 1.8 square miles. The total population in Locust grove is 1,540 with 47.2% male and 52.8% female. Children under age 5 represent 7.8% of the population, under age 18 equal 29.8% of the population and over age 65 is 13.2% of the population. The median household income is $36,042, per capita income is $21,283. There are a total of 579 housing units with 59.8% owner occupied. Education includes 36.8% of residents that are high school graduates and 14.0% with a bachelor's degree or higher. The average temperature in Locust grove in the summer is 80 degrees, and in the winter 42 degrees.