Mountain Lagoon · Suburb / Locality

Demographics & Identity in Mountain Lagoon

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

A typical resident in Mountain Lagoon is far older than elsewhere, with the usual age being 55. This sparsely populated area is home to just 78 people, most of whom are older adults or seniors.

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📍 Mountain Lagoon, Suburb / Locality

Where Mountain Lagoon sits — Total population

78 ▼ -76.1%
  • 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 Mountain Lagoon — lower than 65% of areas.

Total population compared with the state and national average
Mountain Lagoon78
2758, NSW 8,848
New South Wales 8,072,163
Australia 25,422,788

Population

How many people, and the typical age.

The population is small, with only 78 residents. The typical person here is 55, which is far older than the national figure of 38.

78 ▼ -76.1%

Lower than 65% of suburb / locality areas.

  • 2011: 327
  • 2016: 90
  • 2021: 78

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

55 yrs ▲ +41.0%

Older than 86% of suburb / locality areas.

  • 2011: 39 yrs
  • 2016: 53 yrs
  • 2021: 55 yrs

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

Age profile

How the population splits across age groups.

This area has very few children, with those under 15 making up only 10.3% of the population. This helps explain why the senior population is so high at 26.9%, well above the 17.2% seen across Australia.

26.9% ▲ +104.7%

Higher than 79% of suburb / locality areas.

  • 2011: 13.1%
  • 2016: 20.0%
  • 2021: 26.9%

Share of the population aged 65 years and over.

10.3% ▼ -60.5%

Lower than 83% of suburb / locality areas.

  • 2011: 26.0%
  • 2016: 12.2%
  • 2021: 10.3%

Share of the population aged under 15 years.

Age structure

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In Mountain Lagoon, Older adults (45–64) is the majority at 54%; Seniors (65+) is next at 25%.

Identity & relationships

First Nations identity and marital status.

About 5.1% of residents identify as Aboriginal and Torres Strait Islander, which is a little above the national figure. Most people are married, though those in de facto relationships make up 14.5% of the population, a figure well above the state average.

5.1% ▲ +233.3%

Higher than 74% of suburb / locality areas.

  • 2011: 1.5%
  • 2016: 0.0%
  • 2021: 5.1%

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

14.5% ▲ +36.8%

Higher than 67% of suburb / locality areas.

  • 2011: 10.6%
  • 2016: 10.3%
  • 2021: 14.5%

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

Marital status

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In Mountain Lagoon, Married is the majority at 64%; Never married is next at 25%.

Age & sex structure

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

Sources

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

More for Mountain Lagoon

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Mountain Lagoon [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL12817/mountain-lagoon/topic/demographics-identity