Locust Grove is a city located in Oklahoma. With a 2020 population of 1,393, it is the 173rd largest city in Oklahoma and the 8996th largest city in the United States. Locust Grove is currently declining at a rate of -0.36% annually and its population has decreased by -2.11% since the most recent census, which recorded a population of 1,423 in 2010. Locust Grove reached it's highest population of 1,421 in 2010. Spanning over 2 miles, Locust Grove has a population density of 796 people per square mile.
The average household income in Locust Grove is $46,589 with a poverty rate of 28.21%. The median rental costs in recent years comes to $582 per month, and the median house value is $79,200. The median age in Locust Grove is 34.1 years, 31.7 years for males, and 35.8 years for females. For every 100 females there are 88.8 males.