3981, VIC · Postcode

Demographics & Identity in 3981, VIC

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

A much younger population than most similar areas defines postcode 3981, where the typical resident is just 36. The area has grown significantly, adding about 1,175 people since 2011 to reach a total population of 5,437.

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📍 3981, VIC, Postcode

Where 3981, VIC sits — Total population

5,437 ▲ +27.6%
  • 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 3981, VIC — higher than 57% of areas.

Total population compared with the state and national average
3981, VIC5,437
Cardinia 118,194
Victoria 6,503,491
Australia 25,422,788

Population

How many people, and the typical age.

The typical resident is 36, which is a little younger than the national figure of 38. This age has dropped by two years since the 2011 census.

5,437 ▲ +27.6%

Higher than 57% of postcode areas.

  • 2011: 4,262
  • 2016: 4,898
  • 2021: 5,437

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

36 yrs ▼ -5.3%

Younger than 86% of postcode areas.

  • 2011: 38 yrs
  • 2016: 37 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 21.4% of the population, a figure well above the 18.2% seen across Australia. Meanwhile, seniors aged 65 and over account for 15.9% of residents, which is a little below the national figure.

15.9% ▲ +11.4%

Lower than 71% of postcode areas.

  • 2011: 14.3%
  • 2016: 15.6%
  • 2021: 15.9%

Share of the population aged 65 years and over.

21.4% ▼ -2.4%

Higher than 86% of postcode areas.

  • 2011: 21.9%
  • 2016: 20.7%
  • 2021: 21.4%

Share of the population aged under 15 years.

Age structure

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3981, VIC splits fairly evenly between Young adults (25–44) (27%) and Older adults (45–64) (24%), with Children (0–14) at 21%.

Identity & relationships

First Nations identity and marital status.

De facto relationships are much more common here than in most areas, at 15.6% compared to the 11.5% national average. About 1.4% of the population identify as Aboriginal or Torres Strait Islander, a figure that rose slightly since 2011.

15.6% ▲ +37.8%

Higher than 80% of postcode areas.

  • 2011: 11.3%
  • 2016: 12.9%
  • 2021: 15.6%

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

Marital status

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In 3981, VIC, the largest group is Married at 46%, followed by Never married (37%) and Divorced (9%).

Age & sex structure

  • 85+: 85+: 40 males; 85+: 83 females
  • 80–84: 80–84: 59 males; 80–84: 59 females
  • 75–79: 75–79: 79 males; 75–79: 85 females
  • 70–74: 70–74: 110 males; 70–74: 125 females
  • 65–69: 65–69: 125 males; 65–69: 107 females
  • 60–64: 60–64: 155 males; 60–64: 138 females
  • 55–59: 55–59: 155 males; 55–59: 168 females
  • 50–54: 50–54: 182 males; 50–54: 158 females
  • 45–49: 45–49: 177 males; 45–49: 171 females
  • 40–44: 40–44: 155 males; 40–44: 157 females
  • 35–39: 35–39: 157 males; 35–39: 180 females
  • 30–34: 30–34: 198 males; 30–34: 212 females
  • 25–29: 25–29: 186 males; 25–29: 194 females
  • 20–24: 20–24: 154 males; 20–24: 144 females
  • 15–19: 15–19: 160 males; 15–19: 195 females
  • 10–14: 10–14: 183 males; 10–14: 203 females
  • 5–9: 5–9: 196 males; 5–9: 210 females
  • 0–4: 0–4: 189 males; 0–4: 184 females

Sources

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

More for 3981, VIC

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in 3981, VIC [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA3981/3981-vic/topic/demographics-identity