Tortolita was a census-designated place (CDP) in Pima County, Arizona, United States.

The remaining parts of the CDP that have not been annexed continue to be unincorporated portions of Pima County.

[3] The census-designated place for these tracts has changed and as of the 2010 Census, they are now part of the CDP known as Casas Adobes[4] As of the census[5] of 2000, there were 3,740 people, 1,332 households, and 1,057 families residing in the CDP.

There were 1,408 housing units at an average density of 118.6 per square mile (45.8/km2).

15.4% of all households were made up of individuals, and 4.0% had someone living alone who was 65 years of age or older.