Colorado City, AZ has a population of 4,804 and is the 6,634th largest city in the United States. The population density is 465 per sq mi which is 709% higher than the Arizona average and 413% higher than the national average. The median age in Colorado City is 17 which is approximately 55% lower than the Arizona average of 37. In Colorado City, 35% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 7% of Colorado City residents were born in Arizona, 93% were born out of state, 1% were born outside of the United States and 0% were foreign born.