Clarkdale, AZ has a population of 4,159 and is the 7,271st largest city in the United States. The population density is 399 per sq mi which is 594% higher than the Arizona average and 340% higher than the national average. The median age in Clarkdale is 60 which is approximately 61% higher than the Arizona average of 37. In Clarkdale, 68% of the population over 15 years of age are married, 90% speak English and 6% speak Spanish. 23% of Clarkdale residents were born in Arizona, 75% were born out of state, 0% were born outside of the United States and 3% were foreign born.