Maricopa Colony, AZ has a population of 1,027 and is the 14,982nd largest city in the United States. The population density is 187 per sq mi which is 226% higher than the Arizona average and 107% higher than the national average. The median age in Maricopa Colony is 24 which is approximately 36% lower than the Arizona average of 37. In Maricopa Colony, 41% of the population over 15 years of age are married, 82% speak English and 7% speak Spanish. 88% of Maricopa Colony residents were born in Arizona, 11% were born out of state, 0% were born outside of the United States and 1% were foreign born.