In the 2016 census Chewko had a population of 194 people.[8]
In the 2021 census, Chewko had a population of 213 people.[1]
Education
There are no schools in Chewko. The nearest government primary schools are Mareeba State School in neighbouring Mareeba to the north-east and Walkamin State School in neighbouring Walkamin to the south-east. The nearest government secondary school is Mareeba State High School in Mareeba.[9]