Dumas, AR has a population of 4,416 and is the 6,998th largest city in the United States. The population density is 1,374 per sq mi which is 2378% higher than the Arkansas average and 1417% higher than the national average. The median age in Dumas is 37 which is approximately 1% lower than the Arkansas average of 38. In Dumas, 50% of the population over 15 years of age are married, 92% speak English and 7% speak Spanish. 78% of Dumas residents were born in Arkansas, 16% were born out of state, 0% were born outside of the United States and 5% were foreign born.