3980, VIC · Postcode

Demographics & Identity in 3980, VIC

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

Growing by 17% since 2011, postcode 3980 now has 3,571 residents. This area is seeing a shift toward an older population, with the typical age rising to 40 years. It remains a family-friendly spot where children make up a larger share of the community than in most similar areas.

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📍 3980, VIC, Postcode

Where 3980, VIC sits — Total population

3,571 ▲ +16.7%
  • 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 3980, VIC — lower than 51% of areas.

Total population compared with the state and national average
3980, VIC3,571
Casey 365,239
Victoria 6,503,491
Australia 25,422,788

Population

How many people, and the typical age.

The population grew by about 511 people over the last decade to reach 3,571. The typical resident is now 40, which is a little older than the national figure of 38.

3,571 ▲ +16.7%

Lower than 51% of postcode areas.

  • 2011: 3,060
  • 2016: 3,350
  • 2021: 3,571

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

40 yrs ▲ +8.1%

Younger than 64% of postcode areas.

  • 2011: 37 yrs
  • 2016: 39 yrs
  • 2021: 40 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 19.9% of the area, a figure much higher than most similar places. Meanwhile, the share of seniors aged 65 and over rose 6.4 points since 2011 to reach 16.4%.

16.4% ▲ +63.5%

Lower than 69% of postcode areas.

  • 2011: 10.0%
  • 2016: 13.8%
  • 2021: 16.4%

Share of the population aged 65 years and over.

19.9% ▼ -8.3%

Higher than 76% of postcode areas.

  • 2011: 21.7%
  • 2016: 21.0%
  • 2021: 19.9%

Share of the population aged under 15 years.

Age structure

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3980, VIC splits fairly evenly between Older adults (45–64) (28%) and Young adults (25–44) (25%), with Children (0–14) at 20%.

Identity & relationships

First Nations identity and marital status.

De facto relationships are more common here than in most areas, at 14.5%, which is well above the Victorian figure of 11.2%. Aboriginal and Torres Strait Islander people make up 1.2% of the population.

14.5% ▲ +13.0%

Higher than 72% of postcode areas.

  • 2011: 12.8%
  • 2016: 13.7%
  • 2021: 14.5%

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

Marital status

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In 3980, VIC, the largest group is Married at 49%, followed by Never married (34%) and Divorced (10%).

Age & sex structure

  • 85+: 85+: 18 males; 85+: 22 females
  • 80–84: 80–84: 33 males; 80–84: 26 females
  • 75–79: 75–79: 54 males; 75–79: 37 females
  • 70–74: 70–74: 115 males; 70–74: 80 females
  • 65–69: 65–69: 105 males; 65–69: 102 females
  • 60–64: 60–64: 110 males; 60–64: 108 females
  • 55–59: 55–59: 144 males; 55–59: 124 females
  • 50–54: 50–54: 130 males; 50–54: 125 females
  • 45–49: 45–49: 121 males; 45–49: 123 females
  • 40–44: 40–44: 121 males; 40–44: 100 females
  • 35–39: 35–39: 102 males; 35–39: 138 females
  • 30–34: 30–34: 123 males; 30–34: 117 females
  • 25–29: 25–29: 96 males; 25–29: 96 females
  • 20–24: 20–24: 93 males; 20–24: 101 females
  • 15–19: 15–19: 116 males; 15–19: 104 females
  • 10–14: 10–14: 119 males; 10–14: 105 females
  • 5–9: 5–9: 154 males; 5–9: 115 females
  • 0–4: 0–4: 111 males; 0–4: 111 females

Sources

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

More for 3980, VIC

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in 3980, VIC [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA3980/3980-vic/topic/demographics-identity