Blackrock is a rural locality in the Shire of Hinchinbrook, Queensland, Australia.

[2] In the 2021 census, Blackrock had a population of 319 people.

[1] The locality was officially named and bounded on 27 April 2001.

[2] In the 2016 census Blackrock had a population of 320 people.

[3] In the 2021 census, Blackrock had a population of 319 people.