Brimbank · Sub-region (SA3)

Demographics & Identity in Brimbank

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

A population of 186,067 people makes Brimbank one of the largest areas of its kind. The typical resident is 37, which is a little younger than the national figure. This is a diverse community where nearly half the adults are married, though a large 36% have never been married.

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📍 Brimbank, Sub-region (SA3)

Where Brimbank sits — Total population

186,067 ▲ +6.7%
  • 1–2: 3 areas
  • 2–2: 0 areas
  • 2–4: 0 areas
  • 4–6: 0 areas
  • 6–9: 2 areas
  • 9–15: 2 areas
  • 15–23: 1 area
  • 23–37: 0 areas
  • 37–57: 1 area
  • 57–90: 0 areas
  • 90–141: 1 area
  • 141–221: 1 area
  • 221–347: 1 area
  • 347–545: 2 areas
  • 545–854: 3 areas
  • 854–1,340: 0 areas
  • 1,340–2,101: 3 areas
  • 2,101–3,296: 1 area
  • 3,296–5,169: 2 areas
  • 5,169–8,107: 3 areas
  • 8,107–12,714: 7 areas
  • 12,714–19,940: 16 areas
  • 19,940–31,273: 30 areas
  • 31,273–49,048: 61 areas
  • 49,048–76,924: 90 areas
  • 76,924–120,643: 70 areas
  • 120,643–189,211: 46 areas
  • 189,211–296,748: 12 areas

All sub-region (sa3) areas, 2021. The marker is Brimbank — higher than 91% of areas.

Total population compared with the state and national average
Brimbank186,067
Greater Melbourne 4,917,750
Victoria 6,503,491
Australia 25,422,788

Population

How many people, and the typical age.

The population grew by 6.7% since 2011, adding about 11,645 people. While the typical age is 37, this is 3 years older than it was in 2011.

186,067 ▲ +6.7%

Higher than 91% of sub-region (sa3) areas.

  • 2011: 174,422
  • 2016: 185,816
  • 2021: 186,067

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

37 yrs ▲ +8.8%

Younger than 71% of sub-region (sa3) areas.

  • 2011: 34 yrs
  • 2016: 35 yrs
  • 2021: 37 yrs

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

Age profile

How the population splits across age groups.

The area has a smaller proportion of seniors (15.9%) than most similar places, though this group rose 4.8 points since 2011. Children under 15 make up 17.4% of the population, which is about the same as the Victorian average.

15.9% ▲ +42.7%

Lower than 62% of sub-region (sa3) areas.

  • 2011: 11.1%
  • 2016: 13.2%
  • 2021: 15.9%

Share of the population aged 65 years and over.

17.4% ▼ -9.4%

Lower than 56% of sub-region (sa3) areas.

  • 2011: 19.2%
  • 2016: 18.5%
  • 2021: 17.4%

Share of the population aged under 15 years.

Age structure

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In Brimbank, the largest group is Young adults (25–44) at 30%, followed by Older adults (45–64) (24%) and Children (0–14) (17%).

Identity & relationships

First Nations identity and marital status.

Only 0.4% of residents identify as Aboriginal or Torres Strait Islander, a figure that is among the lowest for its level. People in de facto relationships make up 6.8% of the population, which is well below the national figure of 11.5%.

0.4% ▲ +12.4%

Lower than 94% of sub-region (sa3) areas.

  • 2011: 0.4%
  • 2016: 0.4%
  • 2021: 0.4%

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

6.8% ▲ +34.0%

Lower than 95% of sub-region (sa3) areas.

  • 2011: 5.0%
  • 2016: 6.1%
  • 2021: 6.8%

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

Marital status

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In Brimbank, the largest group is Married at 46%, followed by Never married (36%) and Divorced (9%).

Age & sex structure

  • 85+: 85+: 1,278 males; 85+: 2,100 females
  • 80–84: 80–84: 1,684 males; 80–84: 1,934 females
  • 75–79: 75–79: 2,577 males; 75–79: 2,761 females
  • 70–74: 70–74: 3,855 males; 70–74: 3,985 females
  • 65–69: 65–69: 4,504 males; 65–69: 4,893 females
  • 60–64: 60–64: 5,194 males; 60–64: 5,515 females
  • 55–59: 55–59: 5,692 males; 55–59: 5,619 females
  • 50–54: 50–54: 5,631 males; 50–54: 6,089 females
  • 45–49: 45–49: 5,665 males; 45–49: 6,012 females
  • 40–44: 40–44: 5,950 males; 40–44: 5,894 females
  • 35–39: 35–39: 6,808 males; 35–39: 6,786 females
  • 30–34: 30–34: 7,256 males; 30–34: 7,149 females
  • 25–29: 25–29: 8,265 males; 25–29: 7,039 females
  • 20–24: 20–24: 6,828 males; 20–24: 6,133 females
  • 15–19: 15–19: 5,395 males; 15–19: 5,236 females
  • 10–14: 10–14: 5,435 males; 10–14: 5,076 females
  • 5–9: 5–9: 5,817 males; 5–9: 5,455 females
  • 0–4: 0–4: 5,458 males; 0–4: 5,105 females

Sources

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

More for Brimbank

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Brimbank [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa3/21301/brimbank/topic/demographics-identity