Tonto Basin, AZ has a population of 1,466 and is the 12,828th largest city in the United States. The population density is 47 per sq mi which is 19% lower than the Arizona average and 48% lower than the national average. The median age in Tonto Basin is 65 which is approximately 74% higher than the Arizona average of 37. In Tonto Basin, 70% of the population over 15 years of age are married, 99% speak English and 1% speak Spanish. 31% of Tonto Basin residents were born in Arizona, 65% were born out of state, 3% were born outside of the United States and 1% were foreign born.