Rockwell, AR has a population of 3,883 and is the 7,574th largest city in the United States. The population density is 1,236 per sq mi which is 2129% higher than the Arkansas average and 1265% higher than the national average. The median age in Rockwell is 39 which is approximately 3% higher than the Arkansas average of 38. In Rockwell, 67% of the population over 15 years of age are married, 98% speak English and 1% speak Spanish. 51% of Rockwell residents were born in Arkansas, 46% were born out of state, 1% were born outside of the United States and 2% were foreign born.