Tortolita is a census-designated place in Pima County, Arizona, United States. The population was 3,740 at the 2000 census. Tortolita is situated between the booming towns of Oro Valley and Marana. These two incorporated communities continue to annex the community of Tortolita. Eventually, the community of Tortolita will become part of western Oro Valley and eastern Marana. Tortolita apartments for rent comparison page shows most up to date rent information on Tortolita apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.