Cactus Flats, AZ has a population of 1,398 and is the 13,105th largest city in the United States. The population density is 228 per sq mi which is 296% higher than the Arizona average and 152% higher than the national average. The median age in Cactus Flats is 34 which is approximately 8% lower than the Arizona average of 37. In Cactus Flats, 52% of the population over 15 years of age are married, 80% speak English and 20% speak Spanish. 55% of Cactus Flats residents were born in Arizona, 41% were born out of state, 0% were born outside of the United States and 4% were foreign born.