Secret Harbour · Suburb / Locality

Demographics & Identity in Secret Harbour

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

A typical resident in Secret Harbour is 34, making the area noticeably younger than the state and national average of 38. This is one of the largest areas of its kind with 12,474 people. The population is skewed heavily toward families, with a very high number of children and very few seniors.

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📍 Secret Harbour, Suburb / Locality

Where Secret Harbour sits — Total population

12,474 ▲ +19.6%
  • 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 Secret Harbour — higher than 88% of areas.

Total population compared with the state and national average
Secret Harbour12,474
6173, WA 12,474
Western Australia 2,660,026
Australia 25,422,788

Population

How many people, and the typical age.

The population has reached 12,474 people, making it one of the largest areas at this level. Residents are much younger than in most other similar areas.

12,474 ▲ +19.6%

Higher than 88% of suburb / locality areas.

  • 2011: 10,429
  • 2016: 12,073
  • 2021: 12,474

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

34 yrs ▲ +17.2%

Younger than 87% of suburb / locality areas.

  • 2011: 29 yrs
  • 2016: 31 yrs
  • 2021: 34 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 25.2% of the population, which is well above the national figure of 18.2%. This helps explain why those aged 65 and over are far below the Australian average at just 6.5%.

6.5% ▲ +94.4%

Lower than 90% of suburb / locality areas.

  • 2011: 3.3%
  • 2016: 4.7%
  • 2021: 6.5%

Share of the population aged 65 years and over.

25.2% ▼ -15.8%

Higher than 88% of suburb / locality areas.

  • 2011: 29.9%
  • 2016: 27.8%
  • 2021: 25.2%

Share of the population aged under 15 years.

Age structure

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Secret Harbour splits fairly evenly between Older adults (45–64) (27%) and Young adults (25–44) (27%), with Children (0–14) at 25%.

Identity & relationships

First Nations identity and marital status.

People from Aboriginal and Torres Strait Islander backgrounds make up 2.1% of the population, which is a little below the state and national figures. Around 11.9% of residents are in a de facto relationship, which is about the same as the rest of the country.

2.1% ▲ +130.8%

Higher than 52% of suburb / locality areas.

  • 2011: 0.9%
  • 2016: 1.2%
  • 2021: 2.1%

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

11.9% ▲ +3.3%

Lower than 53% of suburb / locality areas.

  • 2011: 11.5%
  • 2016: 11.9%
  • 2021: 11.9%

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

Marital status

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In Secret Harbour, Married is the majority at 53%; Never married is next at 36%.

Age & sex structure

  • 85+: 85+: 17 males; 85+: 23 females
  • 80–84: 80–84: 30 males; 80–84: 41 females
  • 75–79: 75–79: 74 males; 75–79: 85 females
  • 70–74: 70–74: 120 males; 70–74: 117 females
  • 65–69: 65–69: 137 males; 65–69: 152 females
  • 60–64: 60–64: 227 males; 60–64: 203 females
  • 55–59: 55–59: 419 males; 55–59: 368 females
  • 50–54: 50–54: 505 males; 50–54: 547 females
  • 45–49: 45–49: 533 males; 45–49: 547 females
  • 40–44: 40–44: 528 males; 40–44: 552 females
  • 35–39: 35–39: 439 males; 35–39: 483 females
  • 30–34: 30–34: 334 males; 30–34: 370 females
  • 25–29: 25–29: 294 males; 25–29: 315 females
  • 20–24: 20–24: 377 males; 20–24: 357 females
  • 15–19: 15–19: 609 males; 15–19: 515 females
  • 10–14: 10–14: 658 males; 10–14: 629 females
  • 5–9: 5–9: 539 males; 5–9: 509 females
  • 0–4: 0–4: 419 males; 0–4: 384 females

Sources

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

More for Secret Harbour

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Secret Harbour [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL51337/secret-harbour/topic/demographics-identity