3145, VIC · Postcode

Demographics & Identity in 3145, VIC

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

A population of 23,594 people lives in postcode 3145, which is larger than about 88% of similar areas. This community has grown by 11% since 2011. While the typical resident is 38, the area's age profile has shifted as the number of seniors has increased.

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📍 3145, VIC, Postcode

Where 3145, VIC sits — Total population

23,594 ▲ +10.8%
  • 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 3145, VIC — higher than 86% of areas.

Total population compared with the state and national average
3145, VIC23,594
Stonnington 104,703
Victoria 6,503,491
Australia 25,422,788

Population

How many people, and the typical age.

The total population grew by 2,293 people between 2011 and 2021. The typical resident is now 38, which is two years older than in 2011 and about the same as the national figure.

23,594 ▲ +10.8%

Higher than 86% of postcode areas.

  • 2011: 21,301
  • 2016: 23,295
  • 2021: 23,594

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

38 yrs ▲ +5.6%

Younger than 76% of postcode areas.

  • 2011: 36 yrs
  • 2016: 35 yrs
  • 2021: 38 yrs

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

Age profile

How the population splits across age groups.

Young adults aged 25 to 44 make up the largest group at 27.7%. The proportion of children under 15 has fallen to 15.7%, while the share of people aged 65 and over rose by 4.3 points since 2011 to reach 16.9%.

16.9% ▲ +34.1%

Lower than 66% of postcode areas.

  • 2011: 12.6%
  • 2016: 13.9%
  • 2021: 16.9%

Share of the population aged 65 years and over.

15.7% ▼ -13.4%

Lower than 67% of postcode areas.

  • 2011: 18.2%
  • 2016: 17.1%
  • 2021: 15.7%

Share of the population aged under 15 years.

Age structure

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3145, VIC splits fairly evenly between Young adults (25–44) (28%) and Older adults (45–64) (25%), with Seniors (65+) at 17%.

Identity & relationships

First Nations identity and marital status.

Married people make up 46% of the area, though those who have never married account for 40.9%. The proportion of people in de facto relationships rose to 10.0%, which is much lower than most areas. Aboriginal and Torres Strait Islander people make up 0.3% of the population.

10.0% ▲ +51.9%

Lower than 75% of postcode areas.

  • 2011: 6.6%
  • 2016: 8.1%
  • 2021: 10.0%

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

Marital status

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In 3145, VIC, the largest group is Married at 46%, followed by Never married (41%) and Divorced (6%).

Age & sex structure

  • 85+: 85+: 249 males; 85+: 428 females
  • 80–84: 80–84: 233 males; 80–84: 305 females
  • 75–79: 75–79: 334 males; 75–79: 351 females
  • 70–74: 70–74: 455 males; 70–74: 547 females
  • 65–69: 65–69: 507 males; 65–69: 573 females
  • 60–64: 60–64: 581 males; 60–64: 657 females
  • 55–59: 55–59: 673 males; 55–59: 757 females
  • 50–54: 50–54: 830 males; 50–54: 918 females
  • 45–49: 45–49: 733 males; 45–49: 758 females
  • 40–44: 40–44: 701 males; 40–44: 743 females
  • 35–39: 35–39: 764 males; 35–39: 760 females
  • 30–34: 30–34: 795 males; 30–34: 802 females
  • 25–29: 25–29: 1,029 males; 25–29: 936 females
  • 20–24: 20–24: 988 males; 20–24: 1,004 females
  • 15–19: 15–19: 740 males; 15–19: 731 females
  • 10–14: 10–14: 718 males; 10–14: 685 females
  • 5–9: 5–9: 612 males; 5–9: 604 females
  • 0–4: 0–4: 558 males; 0–4: 537 females

Sources

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

More for 3145, VIC

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in 3145, VIC [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA3145/3145-vic/topic/demographics-identity