Cairnlea · Suburb / Locality

Demographics & Identity in Cairnlea

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

A typical resident in Cairnlea is just 36 years old, making the area a little younger than the state and national figures. With over 10,000 people, it is one of the largest areas of its kind in the region.

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📍 Cairnlea, Suburb / Locality

Where Cairnlea sits — Total population

10,038 ▲ +13.6%
  • 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 Cairnlea — higher than 87% of areas.

Total population compared with the state and national average
Cairnlea10,038
3023, VIC 67,146
Victoria 6,503,491
Australia 25,422,788

Population

How many people, and the typical age.

The population is among the largest at this level, with 10,038 residents. The typical resident is 36, which is much lower than most similar areas.

10,038 ▲ +13.6%

Higher than 87% of suburb / locality areas.

  • 2011: 8,839
  • 2016: 9,657
  • 2021: 10,038

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

36 yrs ▲ +16.1%

Younger than 83% of suburb / locality areas.

  • 2011: 31 yrs
  • 2016: 33 yrs
  • 2021: 36 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 19.2% of the population, which is higher than most areas. In contrast, the 10.3% of people aged 65 and over is well below the national figure of 17.2%.

10.3% ▲ +160.6%

Lower than 83% of suburb / locality areas.

  • 2011: 4.0%
  • 2016: 6.4%
  • 2021: 10.3%

Share of the population aged 65 years and over.

19.2% ▼ -22.1%

Higher than 65% of suburb / locality areas.

  • 2011: 24.7%
  • 2016: 22.7%
  • 2021: 19.2%

Share of the population aged under 15 years.

Age structure

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Cairnlea splits fairly evenly between Older adults (45–64) (28%) and Young adults (25–44) (27%), with Children (0–14) at 19%.

Identity & relationships

First Nations identity and marital status.

Over half of the population is married, while 0.2% are Aboriginal or Torres Strait Islander, which is well below the Australian average. Only 5.3% of people are in a de facto relationship, a figure well below both the state and nation.

0.2% ▼ -6.1%

Lower than 70% of suburb / locality areas.

  • 2011: 0.2%
  • 2016: 0.1%
  • 2021: 0.2%

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

5.3% ▲ +11.7%

Lower than 88% of suburb / locality areas.

  • 2011: 4.7%
  • 2016: 5.4%
  • 2021: 5.3%

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

Marital status

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In Cairnlea, Married is the majority at 51%; Never married is next at 36%.

Age & sex structure

  • 85+: 85+: 28 males; 85+: 75 females
  • 80–84: 80–84: 34 males; 80–84: 31 females
  • 75–79: 75–79: 80 males; 75–79: 71 females
  • 70–74: 70–74: 143 males; 70–74: 142 females
  • 65–69: 65–69: 213 males; 65–69: 227 females
  • 60–64: 60–64: 295 males; 60–64: 290 females
  • 55–59: 55–59: 311 males; 55–59: 325 females
  • 50–54: 50–54: 346 males; 50–54: 403 females
  • 45–49: 45–49: 387 males; 45–49: 425 females
  • 40–44: 40–44: 345 males; 40–44: 399 females
  • 35–39: 35–39: 336 males; 35–39: 355 females
  • 30–34: 30–34: 292 males; 30–34: 300 females
  • 25–29: 25–29: 373 males; 25–29: 348 females
  • 20–24: 20–24: 391 males; 20–24: 370 females
  • 15–19: 15–19: 391 males; 15–19: 390 females
  • 10–14: 10–14: 345 males; 10–14: 356 females
  • 5–9: 5–9: 357 males; 5–9: 366 females
  • 0–4: 0–4: 275 males; 0–4: 236 females

Sources

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

More for Cairnlea

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Cairnlea [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL20441/cairnlea/topic/demographics-identity