Warren, AR has a population of 5,804 and is the 5,873rd largest city in the United States. The population density is 825 per sq mi which is 1387% higher than the Arkansas average and 811% higher than the national average. The median age in Warren is 40 which is approximately 7% higher than the Arkansas average of 38. In Warren, 51% of the population over 15 years of age are married, 83% speak English and 16% speak Spanish. 69% of Warren residents were born in Arkansas, 21% were born out of state, 0% were born outside of the United States and 10% were foreign born.