Mount Isa Population 2024. In mount isa, christianity was the largest broad group religious group reported overall (51.3%) (excludes not stated). The population of mount isa, australia is 23 063 for 2024.

Situated in the heart of the carpentaria mineral province, the city harnesses one of the world’s richest mineral resources and is set. Mount isa is one of 86 cities in australia and ranks 52 in the australia population.