Casey · Council (LGA)

Demographics & Identity in Casey

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

More than 112,000 people moved to Casey since 2011, driving a 45% population jump. This growth has happened in an area that remains noticeably younger than the rest of the state, with a typical resident aged just 34.

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📍 Casey, Council (LGA)

Where Casey sits — Total population

365,239 ▲ +44.7%
  • 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 Casey — higher than 89% of areas.

Total population compared with the state and national average
Casey365,239
Greater Melbourne 4,917,750
Victoria 6,503,491
Australia 25,422,788

Population

How many people, and the typical age.

The total population reached 365,239 people, making it one of the largest areas of its kind. While the typical age rose slightly since 2011, residents here are still noticeably younger than those in the rest of Australia.

365,239 ▲ +44.7%

Higher than 89% of council (lga) areas.

  • 2011: 252,382
  • 2016: 299,301
  • 2021: 365,239

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

34 yrs ▲ +3.0%

Younger than 88% of council (lga) areas.

  • 2011: 33 yrs
  • 2016: 34 yrs
  • 2021: 34 yrs

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

Age profile

How the population splits across age groups.

Families are a major part of the local profile, with children under 15 making up 22.7% of the population—well above the national figure of 18.2%. Conversely, seniors aged 65 and over make up only 10.8%, which is well below the state and national averages.

10.8% ▲ +21.5%

Lower than 86% of council (lga) areas.

  • 2011: 8.9%
  • 2016: 10.2%
  • 2021: 10.8%

Share of the population aged 65 years and over.

22.7% ▼ -2.1%

Higher than 89% of council (lga) areas.

  • 2011: 23.2%
  • 2016: 22.7%
  • 2021: 22.7%

Share of the population aged under 15 years.

Age structure

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In Casey, the largest group is Young adults (25–44) at 31%, followed by Children (0–14) (23%) and Older adults (45–64) (22%).

Identity & relationships

First Nations identity and marital status.

Most of the population is married (52.9%), while 33.5% have never married. Only 0.7% of residents identify as Aboriginal or Torres Strait Islander, which is a little below the national figure and much lower than most similar areas.

0.7% ▲ +18.2%

Lower than 93% of council (lga) areas.

  • 2011: 0.6%
  • 2016: 0.5%
  • 2021: 0.7%

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

8.7% ▲ +10.9%

Lower than 91% of council (lga) areas.

  • 2011: 7.8%
  • 2016: 8.2%
  • 2021: 8.7%

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

Marital status

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In Casey, Married is the majority at 53%; Never married is next at 33%.

Age & sex structure

  • 85+: 85+: 1,568 males; 85+: 2,647 females
  • 80–84: 80–84: 2,068 males; 80–84: 2,536 females
  • 75–79: 75–79: 3,404 males; 75–79: 3,708 females
  • 70–74: 70–74: 4,924 males; 70–74: 5,536 females
  • 65–69: 65–69: 6,413 males; 65–69: 6,781 females
  • 60–64: 60–64: 8,216 males; 60–64: 8,532 females
  • 55–59: 55–59: 9,704 males; 55–59: 9,752 females
  • 50–54: 50–54: 10,751 males; 50–54: 11,053 females
  • 45–49: 45–49: 11,640 males; 45–49: 11,815 females
  • 40–44: 40–44: 13,513 males; 40–44: 12,865 females
  • 35–39: 35–39: 15,583 males; 35–39: 16,044 females
  • 30–34: 30–34: 13,921 males; 30–34: 15,442 females
  • 25–29: 25–29: 13,215 males; 25–29: 13,109 females
  • 20–24: 20–24: 12,563 males; 20–24: 11,746 females
  • 15–19: 15–19: 11,878 males; 15–19: 11,278 females
  • 10–14: 10–14: 13,658 males; 10–14: 12,697 females
  • 5–9: 5–9: 14,715 males; 5–9: 14,138 females
  • 0–4: 0–4: 14,306 males; 0–4: 13,534 females

Sources

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

More for Casey

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Casey [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/lga/LGA21610/casey/topic/demographics-identity