4312, QLD · Postcode

Demographics & Identity in 4312, QLD

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

A shrinking population and a rapidly ageing community have changed the face of postcode 4312 since 2011. The typical resident is now 57, which is far older than the national figure of 38. This shift is most visible in the rise of seniors and a sharp drop in the number of children living in the area.

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📍 4312, QLD, Postcode

Where 4312, QLD sits — Total population

2,590 ▼ -14.0%
  • 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 4312, QLD — lower than 55% of areas.

Total population compared with the state and national average
4312, QLD2,590
Somerset 25,057
Queensland 5,156,138
Australia 25,422,788

Population

How many people, and the typical age.

The population fell by 14% between 2011 and 2021, losing around 422 people. This leaves 2,590 residents in the area, with a typical age that has climbed 8 years since 2011 to reach 57.

2,590 ▼ -14.0%

Lower than 55% of postcode areas.

  • 2011: 3,012
  • 2016: 2,672
  • 2021: 2,590

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

57 yrs ▲ +16.3%

Older than 96% of postcode areas.

  • 2011: 49 yrs
  • 2016: 53 yrs
  • 2021: 57 yrs

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

Age profile

How the population splits across age groups.

This is an older community where 33.1% of people are 65 or over, a figure far above the national 17.2%. Conversely, children under 15 make up only 11.1% of the population, which is well below the Queensland figure of 18.7%.

33.1% ▲ +56.6%

Higher than 93% of postcode areas.

  • 2011: 21.2%
  • 2016: 26.9%
  • 2021: 33.1%

Share of the population aged 65 years and over.

11.1% ▼ -36.9%

Lower than 90% of postcode areas.

  • 2011: 17.6%
  • 2016: 15.2%
  • 2021: 11.1%

Share of the population aged under 15 years.

Age structure

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4312, QLD splits fairly evenly between Older adults (45–64) (34%) and Seniors (65+) (33%), with Young adults (25–44) at 14%.

Identity & relationships

First Nations identity and marital status.

Aboriginal and Torres Strait Islander people make up 3.4% of the population, which is higher than most areas. Regarding relationships, 52.4% of residents are married, while those in de facto relationships fell to 9.7%, a figure well below the state average.

9.7% ▼ -18.3%

Lower than 78% of postcode areas.

  • 2011: 11.8%
  • 2016: 11.1%
  • 2021: 9.7%

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

Marital status

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In 4312, QLD, Married is the majority at 52%; Never married is next at 23%.

Age & sex structure

  • 85+: 85+: 21 males; 85+: 25 females
  • 80–84: 80–84: 43 males; 80–84: 33 females
  • 75–79: 75–79: 103 males; 75–79: 95 females
  • 70–74: 70–74: 147 males; 70–74: 131 females
  • 65–69: 65–69: 144 males; 65–69: 130 females
  • 60–64: 60–64: 131 males; 60–64: 134 females
  • 55–59: 55–59: 121 males; 55–59: 139 females
  • 50–54: 50–54: 102 males; 50–54: 115 females
  • 45–49: 45–49: 66 males; 45–49: 80 females
  • 40–44: 40–44: 58 males; 40–44: 47 females
  • 35–39: 35–39: 44 males; 35–39: 53 females
  • 30–34: 30–34: 47 males; 30–34: 39 females
  • 25–29: 25–29: 31 males; 25–29: 34 females
  • 20–24: 20–24: 39 males; 20–24: 39 females
  • 15–19: 15–19: 60 males; 15–19: 64 females
  • 10–14: 10–14: 54 males; 10–14: 60 females
  • 5–9: 5–9: 51 males; 5–9: 49 females
  • 0–4: 0–4: 31 males; 0–4: 43 females

Sources

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

More for 4312, QLD

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in 4312, QLD [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA4312/4312-qld/topic/demographics-identity