Oak Grove Heights is a city[3] in Greene County, Arkansas, United States.

According to the United States Census Bureau, the town has a total area of 7.9 km2 (3.0 mi2), of which 7.9 km2 (3.0 mi2) is land and 0.33% is water.

As of the 2010 United States Census, there were 889 people living in the town.

The racial makeup of the town was 97.4% White, 1.0% Black, 0.1% Native American and 0.2% Asian.

15.9% of all households were made up of individuals, and 5.7% had someone living alone who was 65 years of age or older.