Red Rock, AZ has a population of 2,710 and is the 9,344th largest city in the United States. The population density is 57 per sq mi which is equal to the Arizona average and 37% lower than the national average. The median age in Red Rock is 27 which is approximately 27% lower than the Arizona average of 37. In Red Rock, 55% of the population over 15 years of age are married, 86% speak English and 13% speak Spanish. 48% of Red Rock residents were born in Arizona, 45% were born out of state, 1% were born outside of the United States and 6% were foreign born.