18,317 ▼ -75.1%
Lower than 71% of urban area areas.
- 2011: 73,681
- 2016: 76,985
- 2021: 18,317
The number of people who usually live in the area, counted on Census night.
Mount Isa · Urban Area
Demographics & Identity in Mount Isa
Who lives here — how many people, how old they are, and how communities identify.
A youthful energy defines daily life in Mount Isa, where the typical resident is just 31 years old. This is noticeably younger than the national figure of 38, reflecting a population with a high proportion of children and young adults. The area has also seen a significant increase in its Aboriginal and Torres Strait Islander community since 2011.
18,317
▼ -75.1%
- 1,666–2,215: 1 area
- 2,215–2,944: 0 areas
- 2,944–3,914: 0 areas
- 3,914–5,203: 1 area
- 5,203–6,917: 0 areas
- 6,917–9,196: 0 areas
- 9,196–12,225: 6 areas
- 12,225–16,252: 16 areas
- 16,252–21,605: 17 areas
- 21,605–28,721: 14 areas
- 28,721–38,182: 7 areas
- 38,182–50,758: 12 areas
- 50,758–67,478: 4 areas
- 67,478–89,704: 6 areas
- 89,704–119,252: 4 areas
- 119,252–158,533: 3 areas
- 158,533–210,752: 2 areas
- 210,752–280,172: 2 areas
- 280,172–372,458: 4 areas
- 372,458–495,142: 2 areas
- 495,142–658,237: 1 area
- 658,237–875,054: 3 areas
- 875,054–1,163,289: 1 area
- 1,163,289–1,546,466: 1 area
- 1,546,466–2,055,858: 0 areas
- 2,055,858–2,733,039: 2 areas
- 2,733,039–3,633,278: 0 areas
- 3,633,278–4,830,047: 2 areas
All urban area areas, 2021. The marker is Mount Isa — lower than 71% of areas.
| Mount Isa | 18,317 |
|---|---|
| 4825 crosses QLD/NT | 19,299 |
| Queensland | 5,156,138 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
The population of Mount Isa has shrank by about 55,364 people since 2011, falling to 18,317. This total is smaller than about 70% of similar areas.
31 yrs ▼ -8.8%
Younger than 99% of urban area areas.
- 2011: 34 yrs
- 2016: 35 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%. Meanwhile, seniors aged 65 and over are much less common here at 8.1%, well below the 17.2% seen across Australia.
8.1% ▼ -38.1%
Lower than 98% of urban area areas.
- 2011: 13.1%
- 2016: 14.2%
- 2021: 8.1%
Share of the population aged 65 years and over.
23.6% ▲ +10.6%
Higher than 97% of urban area areas.
- 2011: 21.4%
- 2016: 20.9%
- 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 21.4% of the population, far above the 3.2% national average. Additionally, 19.1% of residents are in a de facto relationship, which is well above the national figure of 11.5%.
21.4% ▲ +243.5%
Higher than 99% of urban area areas.
- 2011: 6.2%
- 2016: 7.2%
- 2021: 21.4%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
19.1% ▲ +64.6%
Higher than 95% of urban area areas.
- 2011: 11.6%
- 2016: 12.3%
- 2021: 19.1%
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/sua/3013/mount-isa/topic/demographics-identity