Mount Isa City · Suburb / Locality

Demographics & Identity in Mount Isa City

Who lives here — how many people, how old they are, and how communities identify.

A typical resident in Mount Isa City is just 31 years old, making it noticeably younger than most of Australia. This small area of 170 people is dominated by working-age adults, with very few children or seniors compared to the national figures.

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📍 Mount Isa City, Suburb / Locality

Where Mount Isa City sits — Total population

170 ▼ -20.9%
  • 1–1: 689 areas
  • 1–2: 0 areas
  • 2–3: 119 areas
  • 3–5: 108 areas
  • 5–7: 243 areas
  • 7–11: 241 areas
  • 11–16: 514 areas
  • 16–24: 579 areas
  • 24–36: 898 areas
  • 36–53: 1059 areas
  • 53–79: 1168 areas
  • 79–117: 1203 areas
  • 117–174: 1171 areas
  • 174–258: 1010 areas
  • 258–384: 856 areas
  • 384–571: 670 areas
  • 571–850: 616 areas
  • 850–1,263: 567 areas
  • 1,263–1,879: 520 areas
  • 1,879–2,794: 590 areas
  • 2,794–4,154: 679 areas
  • 4,154–6,177: 585 areas
  • 6,177–9,186: 528 areas
  • 9,186–13,659: 405 areas
  • 13,659–20,311: 195 areas
  • 20,311–30,202: 96 areas
  • 30,202–44,910: 33 areas
  • 44,910–66,781: 10 areas

All suburb / locality areas, 2021. The marker is Mount Isa City — higher than 50% of areas.

Total population compared with the state and national average
Mount Isa City170
4825 crosses QLD/NT 19,299
Queensland 5,156,138
Australia 25,422,788

Population

How many people, and the typical age.

The population is 170 people. The typical resident's age is 31, which is 7 years younger than the typical person in Queensland or across Australia.

170 ▼ -20.9%

Higher than 50% of suburb / locality areas.

  • 2011: 215
  • 2016: 95
  • 2021: 170

The number of people who usually live in the area, counted on Census night.

31 yrs ▼ -8.8%

Younger than 93% of suburb / locality areas.

  • 2011: 34 yrs
  • 2016: 30 yrs
  • 2021: 31 yrs

Half the population is older than this age, and half younger.

Age profile

How the population splits across age groups.

Young adults aged 25 to 44 make up the biggest group at 43.5%. Both children and seniors are rare here, with each group at 9.4%, which is well below the national figure of around 17% to 18%.

9.4% ▲ +36.2%

Lower than 86% of suburb / locality areas.

  • 2011: 6.9%
  • 2016: 3.2%
  • 2021: 9.4%

Share of the population aged 65 years and over.

9.4% ▼ -59.2%

Lower than 86% of suburb / locality areas.

  • 2011: 23.0%
  • 2016: 10.5%
  • 2021: 9.4%

Share of the population aged under 15 years.

Age structure

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In Mount Isa City, the largest group is Young adults (25–44) at 42%, followed by Youth (15–24) (20%) and Older adults (45–64) (20%).

Identity & relationships

First Nations identity and marital status.

De facto relationships are much more common here than in most areas, at 15.9%. This is well above the Australian figure of 11.5%, and 60.9% of residents have never married.

2.9% ▼ -71.3%

Higher than 59% of suburb / locality areas.

  • 2011: 10.2%
  • 2016: 4.2%
  • 2021: 2.9%

Share of people who identify as Aboriginal and/or Torres Strait Islander.

15.9% ▲ +57.0%

Higher than 75% of suburb / locality areas.

  • 2011: 10.2%
  • 2016: 28.6%
  • 2021: 15.9%

Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).

Marital status

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In Mount Isa City, Never married is the majority at 60%; Married is next at 25%.

Age & sex structure

  • 85+: 85+: 0 males; 85+: 0 females
  • 80–84: 80–84: 0 males; 80–84: 0 females
  • 75–79: 75–79: 0 males; 75–79: 0 females
  • 70–74: 70–74: 0 males; 70–74: 0 females
  • 65–69: 65–69: 5 males; 65–69: 0 females
  • 60–64: 60–64: 7 males; 60–64: 0 females
  • 55–59: 55–59: 8 males; 55–59: 8 females
  • 50–54: 50–54: 4 males; 50–54: 4 females
  • 45–49: 45–49: 11 males; 45–49: 5 females
  • 40–44: 40–44: 11 males; 40–44: 8 females
  • 35–39: 35–39: 8 males; 35–39: 5 females
  • 30–34: 30–34: 8 males; 30–34: 6 females
  • 25–29: 25–29: 15 males; 25–29: 20 females
  • 20–24: 20–24: 10 males; 20–24: 14 females
  • 15–19: 15–19: 0 males; 15–19: 5 females
  • 10–14: 10–14: 0 males; 10–14: 0 females
  • 5–9: 5–9: 3 males; 5–9: 3 females
  • 0–4: 0–4: 7 males; 0–4: 4 females

Sources

  • Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).

More for Mount Isa City

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Mount Isa City [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL31975/mount-isa-city/topic/demographics-identity