Picacho, AZ has a population of 342 and is the 21,745th largest city in the United States. The population density is 56 per sq mi which is 3% lower than the Arizona average and 38% lower than the national average. The median age in Picacho is 52 which is approximately 40% higher than the Arizona average of 37. In Picacho, 50% of the population over 15 years of age are married, 61% speak English and 37% speak Spanish. 44% of Picacho residents were born in Arizona, 49% were born out of state, 0% were born outside of the United States and 8% were foreign born.