Dardanelle, AR has a population of 4,653 and is the 6,782nd largest city in the United States. The population density is 1,277 per sq mi which is 2202% higher than the Arkansas average and 1309% higher than the national average. The median age in Dardanelle is 34 which is approximately 9% lower than the Arkansas average of 38. In Dardanelle, 47% of the population over 15 years of age are married, 59% speak English and 40% speak Spanish. 54% of Dardanelle residents were born in Arkansas, 24% were born out of state, 0% were born outside of the United States and 23% were foreign born.