Apache Junction, AZ has a population of 37,775 and is the 1,099th largest city in the United States. The population density is 1,077 per sq mi which is 1773% higher than the Arizona average and 1089% higher than the national average. The median age in Apache Junction is 52 which is approximately 40% higher than the Arizona average of 37. In Apache Junction, 61% of the population over 15 years of age are married, 88% speak English and 9% speak Spanish. 29% of Apache Junction residents were born in Arizona, 61% were born out of state, 1% were born outside of the United States and 8% were foreign born.