Oak Grove, AR has a population of 459 and is the 20,064th largest city in the United States. The population density is 160 per sq mi which is 189% higher than the Arkansas average and 77% higher than the national average. The median age in Oak Grove is 44 which is approximately 15% higher than the Arkansas average of 38. In Oak Grove, 55% of the population over 15 years of age are married, 94% speak English and 1% speak Spanish. 48% of Oak Grove residents were born in Arkansas, 49% were born out of state, 0% were born outside of the United States and 3% were foreign born.
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The population density in Oak Grove is 189% higher than Arkansas.
The median age in Oak Grove is 15% higher than Arkansas.
In Oak Grove 93.25% of the population is White.
In Oak Grove 0.22% of the population is Black or African American.