Catalina Foothills, AZ has a population of 51,329 and is the 792nd largest city in the United States. The population density is 1,226 per sq mi which is 2033% higher than the Arizona average and 1254% higher than the national average. The median age in Catalina Foothills is 52 which is approximately 41% higher than the Arizona average of 37. In Catalina Foothills, 65% of the population over 15 years of age are married, 84% speak English and 7% speak Spanish. 26% of Catalina Foothills residents were born in Arizona, 60% were born out of state, 2% were born outside of the United States and 13% were foreign born.