5150, SA · Postcode

Demographics & Identity in 5150, SA

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

A small population of just 57 people makes postcode 5150 a sparsely populated area. The community is split between two distinct groups, with a high number of children and a significant proportion of seniors. This creates a unique age balance that is much more skewed than the state or national average.

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📍 5150, SA, Postcode

Where 5150, SA sits — Total population

57 —
  • 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 5150, SA — lower than 98% of areas.

Total population compared with the state and national average
5150, SA57
Mitcham 67,617
South Australia 1,781,516
Australia 25,422,788

Population

How many people, and the typical age.

The typical resident is 44, which is noticeably older than the national figure of 38. However, the population has become much younger over time, with the typical age dropping by 10 years since 2016.

57 —

Lower than 98% of postcode areas.

  • 2016: 61
  • 2021: 57

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

44 yrs —

Older than 57% of postcode areas.

  • 2016: 54 yrs
  • 2021: 44 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 22.8% of the population, which is well above the national figure of 18.2%. Seniors aged 65 and over are also well represented at 26.3%, a figure far higher than most other areas.

26.3% —

Higher than 80% of postcode areas.

  • 2016: 29.5%
  • 2021: 26.3%

Share of the population aged 65 years and over.

22.8% —

Higher than 90% of postcode areas.

  • 2016: 9.8%
  • 2021: 22.8%

Share of the population aged under 15 years.

Age structure

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5150, SA splits fairly evenly between Seniors (65+) (29%) and Children (0–14) (25%), with Young adults (25–44) at 23%.

Identity & relationships

First Nations identity and marital status.

Most residents are married (61.7%), while those in de facto relationships are well below the national average at 6.7%. No residents identify as Aboriginal or Torres Strait Islander, which is well below the national figure.

6.7% —

Lower than 93% of postcode areas.

  • 2016: 7.3%
  • 2021: 6.7%

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

Marital status

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In 5150, SA, Married is the majority at 71%; Never married is next at 22%.

Age & sex structure

  • 85+: 85+: 0 males; 85+: 0 females
  • 80–84: 80–84: 7 males; 80–84: 0 females
  • 75–79: 75–79: 0 males; 75–79: 4 females
  • 70–74: 70–74: 0 males; 70–74: 0 females
  • 65–69: 65–69: 3 males; 65–69: 0 females
  • 60–64: 60–64: 0 males; 60–64: 3 females
  • 55–59: 55–59: 4 males; 55–59: 3 females
  • 50–54: 50–54: 0 males; 50–54: 0 females
  • 45–49: 45–49: 0 males; 45–49: 0 females
  • 40–44: 40–44: 3 males; 40–44: 6 females
  • 35–39: 35–39: 0 males; 35–39: 0 females
  • 30–34: 30–34: 0 males; 30–34: 4 females
  • 25–29: 25–29: 0 males; 25–29: 0 females
  • 20–24: 20–24: 0 males; 20–24: 0 females
  • 15–19: 15–19: 4 males; 15–19: 0 females
  • 10–14: 10–14: 0 males; 10–14: 0 females
  • 5–9: 5–9: 0 males; 5–9: 4 females
  • 0–4: 0–4: 0 males; 0–4: 0 females

Sources

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

More for 5150, SA

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in 5150, SA [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA5150/5150-sa/topic/demographics-identity