[2] In the 2021 census, Sun Valley had a population of 1,296 people.

[1] The name of the suburb was chosen by the property developer in the early 1960s.

[3] In the 2016 census, Sun Valley had a population of 1,270 people.

[4] In the 2021 census, Sun Valley had a population of 1,296 people.

[1] Trinity College Gladstone is a private primary and secondary (Kindergarten to Year 12) school at 4 Archer Street (23°52′17″S 151°15′24″E / 23.8715°S 151.2567°E / -23.8715; 151.2567 (Trinity College Gladstone)).