18,727 ▼ -11.8%
Higher than 58% of council (lga) areas.
- 2011: 21,237
- 2016: 18,671
- 2021: 18,727
The number of people who usually live in the area, counted on Census night.
Mount Isa · Council (LGA)
Demographics & Identity in Mount Isa
Who lives here — how many people, how old they are, and how communities identify.
A noticeably younger population defines Mount Isa, where the typical resident is just 31 years old. This youthfulness is seen in the high number of children and a strong Indigenous presence, though the total population shrank by 12% since 2011 to 18,727 people.
18,727
▼ -11.8%
- 1–2: 3 areas
- 2–3: 0 areas
- 3–4: 0 areas
- 4–7: 0 areas
- 7–12: 2 areas
- 12–20: 1 area
- 20–33: 0 areas
- 33–55: 1 area
- 55–91: 0 areas
- 91–150: 5 areas
- 150–248: 3 areas
- 248–409: 13 areas
- 409–675: 22 areas
- 675–1,115: 38 areas
- 1,115–1,840: 37 areas
- 1,840–3,038: 30 areas
- 3,038–5,014: 40 areas
- 5,014–8,276: 49 areas
- 8,276–13,661: 54 areas
- 13,661–22,550: 57 areas
- 22,550–37,223: 43 areas
- 37,223–61,442: 49 areas
- 61,442–101,420: 39 areas
- 101,420–167,409: 37 areas
- 167,409–276,336: 31 areas
- 276,336–456,137: 8 areas
- 456,137–752,926: 2 areas
- 752,926–1,242,825: 1 area
All council (lga) areas, 2021. The marker is Mount Isa — higher than 58% of areas.
| Mount Isa | 18,727 |
|---|---|
| Rest of Qld | 2,615,036 |
| Queensland | 5,156,138 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
The typical resident is 31, which is noticeably younger than the Queensland and Australian figures of 38. This age has barely changed since 2011, when it was 30.
31 yrs ▲ +3.3%
Younger than 93% of council (lga) areas.
- 2011: 30 yrs
- 2016: 31 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 23.4% of the population, well above the national figure of 18.2%. In contrast, seniors aged 65 and over are much less common at 8.1%, which is well below the state and national figures of around 17%.
8.1% ▲ +32.5%
Lower than 91% of council (lga) areas.
- 2011: 6.1%
- 2016: 7.0%
- 2021: 8.1%
Share of the population aged 65 years and over.
23.4% ▼ -2.8%
Higher than 90% of council (lga) areas.
- 2011: 24.1%
- 2016: 24.0%
- 2021: 23.4%
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) (23%) and Older adults (45–64) (23%).
Identity & relationships
First Nations identity and marital status.
About 21.5% of residents identify as Aboriginal and Torres Strait Islander, a figure far above the national average of 3.2%. Additionally, 19.1% of people are in a de facto relationship, which is well above the national figure of 11.5%.
21.5% ▲ +42.2%
Higher than 87% of council (lga) areas.
- 2011: 15.1%
- 2016: 16.9%
- 2021: 21.5%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
19.1% ▲ +4.3%
Higher than 88% of council (lga) areas.
- 2011: 18.3%
- 2016: 18.5%
- 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/lga/LGA35300/mount-isa/topic/demographics-identity