Catalina Foothills is a census-designated place located north of Tucson in Pima County, Arizona, USA. Situated in the southern foothills of the Santa Catalina Mountains, Catalina Foothills had a total population of 53,794 as of the 2000 census. Catalina Foothills is among the most wealthy communities in Arizona, with the 5th highest per capita income. Catalina Foothills apartments for rent comparison page shows most up to date rent information on Catalina Foothills apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.