17,936 —
Higher than 86% of urban centre areas.
- 2016: 18,181
- 2021: 17,936
The number of people who usually live in the area, counted on Census night.
Mount Isa · Urban Centre
Demographics & Identity in Mount Isa
Who lives here — how many people, how old they are, and how communities identify.
A typical resident in Mount Isa is now 9 years younger than they were in 2016, with the average age dropping to just 31. This shift marks a significant change in the area's makeup, as it has become much younger and more diverse over the last few years.
17,936
—
- 1–2: 3 areas
- 2–3: 0 areas
- 3–5: 0 areas
- 5–9: 0 areas
- 9–16: 2 areas
- 16–27: 1 area
- 27–47: 2 areas
- 47–81: 2 areas
- 81–139: 14 areas
- 139–241: 145 areas
- 241–418: 340 areas
- 418–723: 351 areas
- 723–1,252: 304 areas
- 1,252–2,168: 191 areas
- 2,168–3,752: 181 areas
- 3,752–6,495: 107 areas
- 6,495–11,242: 69 areas
- 11,242–19,459: 44 areas
- 19,459–33,683: 31 areas
- 33,683–58,304: 17 areas
- 58,304–100,921: 8 areas
- 100,921–174,689: 8 areas
- 174,689–302,378: 4 areas
- 302,378–523,401: 5 areas
- 523,401–905,982: 2 areas
- 905,982–1,568,210: 1 area
- 1,568,210–2,714,494: 2 areas
- 2,714,494–4,698,656: 2 areas
All urban centre areas, 2021. The marker is Mount Isa — higher than 86% of areas.
| Mount Isa | 17,936 |
|---|---|
| 4825 crosses QLD/NT | 19,299 |
| Queensland | 5,156,138 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
The total population of Mount Isa is 17,936, making it one of the largest areas of its kind, though it shrank by 1.3% since 2016.
31 yrs —
Younger than 92% of urban centre areas.
- 2016: 40 yrs
- 2021: 31 yrs
Half the population is older than this age, and half younger.
Age profile
How the population splits across age groups.
Children under 15 make up 23.6% of the population, which is well above the national figure of 18.2%. This contributes to the area being much younger than most, while the proportion of people aged 65 and over fell to 8.2%, well below the state and national figures.
8.2% —
Lower than 91% of urban centre areas.
- 2016: 19.8%
- 2021: 8.2%
Share of the population aged 65 years and over.
23.6% —
Higher than 86% of urban centre areas.
- 2016: 19.8%
- 2021: 23.6%
Share of the population aged under 15 years.
Age structure
View on map →In Mount Isa, the largest group is Young adults (25–44) at 32%, followed by Children (0–14) (24%) and Older adults (45–64) (22%).
Identity & relationships
First Nations identity and marital status.
Aboriginal and Torres Strait Islander people make up 21.7% of the population, far above the national figure of 3.2%. People in de facto relationships are also common here at 19.3%, which is well above the Australian average of 11.5%.
21.7% —
Higher than 87% of urban centre areas.
- 2016: 3.5%
- 2021: 21.7%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
19.3% —
Higher than 88% of urban centre areas.
- 2016: 11.4%
- 2021: 19.3%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →In Mount Isa, the largest group is Never married at 49%, followed by Married (37%) and Divorced (7%).
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for Mount Isa
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in Mount Isa [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/ucl/UCL313009/mount-isa/topic/demographics-identity