Miami, AZ has a population of 2,153 and is the 10,579th largest city in the United States. The population density is 2,456 per sq mi which is 4171% higher than the Arizona average and 2610% higher than the national average. The median age in Miami is 37 which is approximately equal to the Arizona average of 37. In Miami, 44% of the population over 15 years of age are married, 74% speak English and 24% speak Spanish. 65% of Miami residents were born in Arizona, 28% were born out of state, 1% were born outside of the United States and 6% were foreign born.