Oak Grove is a city located in Alabama. With a 2020 population of 512, it is the 329th largest city in Alabama and the 13203rd largest city in the United States. Oak Grove is currently declining at a rate of -0.19% annually and its population has decreased by -3.03% since the most recent census, which recorded a population of 528 in 2010. Oak Grove reached it's highest population of 527 in 2010. Spanning over 2 miles, Oak Grove has a population density of 288 people per square mile.
The average household income in Oak Grove is $52,795 with a poverty rate of 15.87%. The median rental costs in recent years comes to $714 per month, and the median house value is $92,200. The median age in Oak Grove is 46.4 years, 45.9 years for males, and 47.4 years for females. For every 100 females there are 93.3 males.