Red Mesa, AZ has a population of 261 and is the 23,196th largest city in the United States. The population density is 20 per sq mi which is 65% lower than the Arizona average and 78% lower than the national average. The median age in Red Mesa is 43 which is approximately 17% higher than the Arizona average of 37. In Red Mesa, 43% of the population over 15 years of age are married, 36% speak English and 3% speak Spanish. 35% of Red Mesa residents were born in Arizona, 64% were born out of state, 0% were born outside of the United States and 2% were foreign born.