In the 2016 census, Lark Hill had a population of 62 people.[7]
In the 2021 census, Lark Hill had a population of 69 people.[1]
Education
There are no schools in Lark Hill. The nearest government primary schools are Glamorgan Vale State School in neighbouring Glamorgan Vale to the north-east and Tarampa State School in Tarampa to the north-west. The nearest government secondary school is Lowood State High School in Lowood to the north-west.[8]