Mesa del Caballo, AZ has a population of 648 and is the 17,941st largest city in the United States. The population density is 2,057 per sq mi which is 3478% higher than the Arizona average and 2170% higher than the national average. The median age in Mesa del Caballo is 45 which is approximately 20% higher than the Arizona average of 37. In Mesa del Caballo, 68% of the population over 15 years of age are married, 98% speak English and 2% speak Spanish. 55% of Mesa del Caballo residents were born in Arizona, 42% were born out of state, 0% were born outside of the United States and 4% were foreign born.