Khosh Bulduk is a rural locality in the Central Highlands Region, Queensland, Australia.

[2] In the 2021 census, Khosh Bulduk had a population of 60 people.

[1] In the 2016 census, Khosh Bulduk had a population of 51 people.

[3] In the 2021 census, Khosh Bulduk had a population of 60 people.

The nearest government primary and secondary schools are Capella State School and Capella State High School, both in neighbouring Capella to the south.