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Of these 52.1% were male and 47.9% were female. Aboriginal and/or Torres Strait Islander people made up 23.4% of the population. The median age of people in Mount Isa was 32 years. Children aged 0 - 14 years made up 23.1% of the population and people aged 65 years and over made up 9.2% of the population.
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With an urban population of 18,317 in 2021 census, Mount Isa is the administrative, commercial and industrial centre for the state's vast north-western region.
People and population ; Median age, 31, N/A, 38, N/A ; 0-4 years, 1,542, 8.2, 292,452, 5.7 ; 5-9 years, 1,495, 8.0, 329,311, 6.4 ...