Arkansas City, AR has a population of 548 and is the 19,001st largest city in the United States. The population density is 1,125 per sq mi which is 1929% higher than the Arkansas average and 1142% higher than the national average. The median age in Arkansas City is 40 which is approximately 5% higher than the Arkansas average of 38. In Arkansas City, 56% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 79% of Arkansas City residents were born in Arkansas, 21% were born out of state, 0% were born outside of the United States and 0% were foreign born.