3142, VIC · Postcode

Demographics & Identity in 3142, VIC

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

Nearly half of the 12,817 people in postcode 3142 are married, reflecting a mature community where the typical resident is 47. This area is far older than the national figure, with a growing number of seniors and very few children.

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📍 3142, VIC, Postcode

Where 3142, VIC sits — Total population

12,817 ▼ -0.4%
  • 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 3142, VIC — higher than 73% of areas.

Total population compared with the state and national average
3142, VIC12,817
Stonnington 104,703
Victoria 6,503,491
Australia 25,422,788

Population

How many people, and the typical age.

The population has barely changed since 2011 and is larger than about 73% of similar areas. Residents have aged by 4 years over the last decade, making the typical person here far older than the Victorian average.

12,817 ▼ -0.4%

Higher than 73% of postcode areas.

  • 2011: 12,871
  • 2016: 12,909
  • 2021: 12,817

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

47 yrs ▲ +9.3%

Older than 71% of postcode areas.

  • 2011: 43 yrs
  • 2016: 45 yrs
  • 2021: 47 yrs

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

Age profile

How the population splits across age groups.

Seniors aged 65 and over make up 27.2% of the population, which is far above the national figure. This helps explain why children under 15 are among the lowest in the region at just 10.9%.

27.2% ▲ +24.1%

Higher than 83% of postcode areas.

  • 2011: 21.9%
  • 2016: 25.0%
  • 2021: 27.2%

Share of the population aged 65 years and over.

10.9% ▼ -1.3%

Lower than 90% of postcode areas.

  • 2011: 11.1%
  • 2016: 11.1%
  • 2021: 10.9%

Share of the population aged under 15 years.

Age structure

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3142, VIC splits fairly evenly between Seniors (65+) (27%) and Young adults (25–44) (25%), with Older adults (45–64) at 25%.

Identity & relationships

First Nations identity and marital status.

A small minority of residents identify as Aboriginal or Torres Strait Islander at 0.2%. People in de facto relationships make up 10.8% of the population, a figure that is about the same as the state and national averages.

10.8% ▲ +24.6%

Lower than 70% of postcode areas.

  • 2011: 8.6%
  • 2016: 9.5%
  • 2021: 10.8%

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

Marital status

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In 3142, VIC, the largest group is Married at 46%, followed by Never married (37%) and Divorced (8%).

Age & sex structure

  • 85+: 85+: 211 males; 85+: 301 females
  • 80–84: 80–84: 217 males; 80–84: 263 females
  • 75–79: 75–79: 343 males; 75–79: 407 females
  • 70–74: 70–74: 408 males; 70–74: 506 females
  • 65–69: 65–69: 379 males; 65–69: 453 females
  • 60–64: 60–64: 416 males; 60–64: 458 females
  • 55–59: 55–59: 369 males; 55–59: 439 females
  • 50–54: 50–54: 397 males; 50–54: 439 females
  • 45–49: 45–49: 275 males; 45–49: 410 females
  • 40–44: 40–44: 285 males; 40–44: 335 females
  • 35–39: 35–39: 362 males; 35–39: 376 females
  • 30–34: 30–34: 411 males; 30–34: 456 females
  • 25–29: 25–29: 483 males; 25–29: 522 females
  • 20–24: 20–24: 396 males; 20–24: 469 females
  • 15–19: 15–19: 293 males; 15–19: 346 females
  • 10–14: 10–14: 256 males; 10–14: 279 females
  • 5–9: 5–9: 237 males; 5–9: 227 females
  • 0–4: 0–4: 219 males; 0–4: 178 females

Sources

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

More for 3142, VIC

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in 3142, VIC [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA3142/3142-vic/topic/demographics-identity