Locust Grove is home to the Rural Oklahoma Museum of Poetry. There is only one other poetry museum in the U.S., the American Poetry Museum in Washington DC. Locust Grove is located at (36.197290, −95.166993). It is south of Salina, Oklahoma, at the intersection of State Highway 82 and US Highway 412. According to the United States Census Bureau, the town has a total area of , all of it land. As of the census of 2010, there were 5,200 people, 819 households, and 363 families residing in the town. The population density was 1,606.7 people per square mile (620.5/km2). There were 567 housing units at an average density of 666.9 per square mile (257.6/km2). The racial makeup of the town was 57.32% White, 32.50% Native American, 0.22% Asian, 0.81% from other races, and 9.15% from two or more races. Hispanic or Latino of any race were 2.42% of the population. There were 519 households, out of which 38.9% had children under the age of 18 living with them, 47.4% were married couples living together, 17.7% had a female householder with no husband present, and 29.9% were non-families. 26.8% of all households were made up of individuals, and 16.0% had someone living alone who was 65 years of age or older. The average household size was 2.63 and the average family size was 3.14. In the town, the population was spread out, with 32.1% under the age of 18, 12.2% from 18 to 24, 25.5% from 25 to 44, 16.7% from 45 to 64, and 13.6% who were 65 years of age or older. The median age was 29 years. For every 100 females, there were 90.8 males. For every 100 females age 18 and over, there were 80.9 males. The median income for a household in the town was $20,655, and the median income for a family was $24,821. Males had a median income of $25,500 versus $16,389 for females. The per capita income for the town was $9,191. About 22.1% of families and 23.0% of the population were below the poverty line, including 28.8% of those under age 18 and 19.5% of those age 65 or over.