Miracle Valley, AZ has a population of 751 and is the 17,024th largest city in the United States. The population density is 1,373 per sq mi which is 2287% higher than the Arizona average and 1415% higher than the national average. The median age in Miracle Valley is 43 which is approximately 15% higher than the Arizona average of 37. In Miracle Valley, 61% of the population over 15 years of age are married, 50% speak English and 50% speak Spanish. 31% of Miracle Valley residents were born in Arizona, 39% were born out of state, 1% were born outside of the United States and 28% were foreign born.