5400, SA · Postcode

Demographics & Identity in 5400, SA

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

A typical resident in postcode 5400 is just 32, making it one of the youngest areas at this level. This age gap is stark, with residents living here noticeably younger than the national figure. The population has grown by 20% since 2011, adding about 175 people to the area.

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📍 5400, SA, Postcode

Where 5400, SA sits — Total population

1,063 ▲ +19.7%
  • 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 5400, SA — lower than 69% of areas.

Total population compared with the state and national average
5400, SA1,063
Light 15,792
South Australia 1,781,516
Australia 25,422,788

Population

How many people, and the typical age.

The typical age of 32 is far younger than the South Australian figure of 41. This trend has shifted significantly, as the typical resident is 6 years younger than they were in 2011.

1,063 ▲ +19.7%

Lower than 69% of postcode areas.

  • 2011: 888
  • 2016: 877
  • 2021: 1,063

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

32 yrs ▼ -15.8%

Younger than 95% of postcode areas.

  • 2011: 38 yrs
  • 2016: 33 yrs
  • 2021: 32 yrs

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

Age profile

How the population splits across age groups.

Families with children are common, as those under 15 make up 19.2% of the population. This helps explain why the area is so young, especially since seniors aged 65 and over make up only 9.9% of the community, which is well below the national figure.

9.9% ▲ +5.7%

Lower than 90% of postcode areas.

  • 2011: 9.3%
  • 2016: 7.6%
  • 2021: 9.9%

Share of the population aged 65 years and over.

19.2% ▼ -1.5%

Higher than 71% of postcode areas.

  • 2011: 19.5%
  • 2016: 19.3%
  • 2021: 19.2%

Share of the population aged under 15 years.

Age structure

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5400, SA splits fairly evenly between Older adults (45–64) (26%) and Young adults (25–44) (25%), with Youth (15–24) at 21%.

Identity & relationships

First Nations identity and marital status.

Almost 40% of residents have never married, while 48% are married. The Aboriginal and Torres Strait Islander population is 0.5%, which is much lower than most similar areas.

10.6% ▼ -13.1%

Lower than 71% of postcode areas.

  • 2011: 12.2%
  • 2016: 12.2%
  • 2021: 10.6%

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

Marital status

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In 5400, SA, the largest group is Married at 48%, followed by Never married (40%) and Divorced (7%).

Age & sex structure

  • 85+: 85+: 4 males; 85+: 4 females
  • 80–84: 80–84: 3 males; 80–84: 4 females
  • 75–79: 75–79: 9 males; 75–79: 4 females
  • 70–74: 70–74: 14 males; 70–74: 12 females
  • 65–69: 65–69: 26 males; 65–69: 14 females
  • 60–64: 60–64: 36 males; 60–64: 30 females
  • 55–59: 55–59: 48 males; 55–59: 31 females
  • 50–54: 50–54: 39 males; 50–54: 31 females
  • 45–49: 45–49: 28 males; 45–49: 31 females
  • 40–44: 40–44: 29 males; 40–44: 30 females
  • 35–39: 35–39: 32 males; 35–39: 39 females
  • 30–34: 30–34: 21 males; 30–34: 30 females
  • 25–29: 25–29: 37 males; 25–29: 42 females
  • 20–24: 20–24: 44 males; 20–24: 112 females
  • 15–19: 15–19: 21 males; 15–19: 40 females
  • 10–14: 10–14: 42 males; 10–14: 26 females
  • 5–9: 5–9: 43 males; 5–9: 34 females
  • 0–4: 0–4: 32 males; 0–4: 34 females

Sources

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

More for 5400, SA

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in 5400, SA [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA5400/5400-sa/topic/demographics-identity