3812, VIC · Postcode

Demographics & Identity in 3812, VIC

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

Over half the population in postcode 3812 are married, reflecting a stable community of 2,488 people. The area is noticeably older than the state and national average, with the typical resident now aged 42.

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📍 3812, VIC, Postcode

Where 3812, VIC sits — Total population

2,488 ▲ +9.7%
  • 1–2: 1 area
  • 2–2: 0 areas
  • 2–4: 0 areas
  • 4–5: 2 areas
  • 5–8: 3 areas
  • 8–12: 2 areas
  • 12–19: 2 areas
  • 19–29: 12 areas
  • 29–44: 19 areas
  • 44–67: 35 areas
  • 67–102: 30 areas
  • 102–155: 70 areas
  • 155–237: 97 areas
  • 237–360: 129 areas
  • 360–549: 158 areas
  • 549–836: 168 areas
  • 836–1,273: 181 areas
  • 1,273–1,938: 179 areas
  • 1,938–2,951: 157 areas
  • 2,951–4,493: 179 areas
  • 4,493–6,842: 176 areas
  • 6,842–10,418: 210 areas
  • 10,418–15,865: 268 areas
  • 15,865–24,158: 254 areas
  • 24,158–36,786: 182 areas
  • 36,786–56,016: 93 areas
  • 56,016–85,299: 28 areas
  • 85,299–129,888: 8 areas

All postcode areas, 2021. The marker is 3812, VIC — lower than 56% of areas.

Total population compared with the state and national average
3812, VIC2,488
Cardinia 118,194
Victoria 6,503,491
Australia 25,422,788

Population

How many people, and the typical age.

The total population grew by 9.7% since 2011, adding about 219 people. The typical resident is 42, which is noticeably older than the national figure of 38.

2,488 ▲ +9.7%

Lower than 56% of postcode areas.

  • 2011: 2,269
  • 2016: 2,312
  • 2021: 2,488

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

42 yrs ▲ +2.4%

Younger than 52% of postcode areas.

  • 2011: 41 yrs
  • 2016: 42 yrs
  • 2021: 42 yrs

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

Age profile

How the population splits across age groups.

Older adults aged 45 to 64 make up the largest group at 31.2%. While children under 15 are about the same as the national figure at 18.0%, the proportion of seniors aged 65 and over has risen to 15.4%.

15.4% ▲ +33.2%

Lower than 73% of postcode areas.

  • 2011: 11.6%
  • 2016: 13.9%
  • 2021: 15.4%

Share of the population aged 65 years and over.

18.0% ▼ -8.4%

Higher than 58% of postcode areas.

  • 2011: 19.7%
  • 2016: 18.1%
  • 2021: 18.0%

Share of the population aged under 15 years.

Age structure

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In 3812, VIC, the largest group is Older adults (45–64) at 31%, followed by Young adults (25–44) (22%) and Children (0–14) (18%).

Identity & relationships

First Nations identity and marital status.

Most of the community are married at 52.8%, while 10.7% are in de facto relationships, which is lower than most areas. About 1.2% of residents identify as Aboriginal or Torres Strait Islander, a figure that has risen since 2011.

10.7% ▲ +21.1%

Lower than 70% of postcode areas.

  • 2011: 8.8%
  • 2016: 10.1%
  • 2021: 10.7%

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

Marital status

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In 3812, VIC, Married is the majority at 53%; Never married is next at 33%.

Age & sex structure

  • 85+: 85+: 15 males; 85+: 17 females
  • 80–84: 80–84: 15 males; 80–84: 8 females
  • 75–79: 75–79: 21 males; 75–79: 29 females
  • 70–74: 70–74: 70 males; 70–74: 65 females
  • 65–69: 65–69: 77 males; 65–69: 68 females
  • 60–64: 60–64: 99 males; 60–64: 97 females
  • 55–59: 55–59: 91 males; 55–59: 94 females
  • 50–54: 50–54: 103 males; 50–54: 106 females
  • 45–49: 45–49: 99 males; 45–49: 88 females
  • 40–44: 40–44: 69 males; 40–44: 74 females
  • 35–39: 35–39: 84 males; 35–39: 77 females
  • 30–34: 30–34: 66 males; 30–34: 64 females
  • 25–29: 25–29: 58 males; 25–29: 67 females
  • 20–24: 20–24: 75 males; 20–24: 70 females
  • 15–19: 15–19: 92 males; 15–19: 84 females
  • 10–14: 10–14: 90 males; 10–14: 90 females
  • 5–9: 5–9: 77 males; 5–9: 74 females
  • 0–4: 0–4: 54 males; 0–4: 63 females

Sources

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

More for 3812, VIC

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in 3812, VIC [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA3812/3812-vic/topic/demographics-identity