Morrilton, AR has a population of 6,746 and is the 5,312th largest city in the United States. The population density is 781 per sq mi which is 1308% higher than the Arkansas average and 762% higher than the national average. The median age in Morrilton is 37 which is approximately 2% lower than the Arkansas average of 38. In Morrilton, 53% of the population over 15 years of age are married, 91% speak English and 8% speak Spanish. 73% of Morrilton residents were born in Arkansas, 22% were born out of state, 1% were born outside of the United States and 4% were foreign born.