Australia Plains · Suburb / Locality

Demographics & Identity in Australia Plains

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

A small population of just 41 people defines Australia Plains, where the community has remained sparsely populated. The area stands out for having a much lower proportion of seniors than the state and national figures.

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📍 Australia Plains, Suburb / Locality

Where Australia Plains sits — Total population

41
  • 1–1: 689 areas
  • 1–2: 0 areas
  • 2–3: 119 areas
  • 3–5: 108 areas
  • 5–7: 243 areas
  • 7–11: 241 areas
  • 11–16: 514 areas
  • 16–24: 579 areas
  • 24–36: 898 areas
  • 36–53: 1059 areas
  • 53–79: 1168 areas
  • 79–117: 1203 areas
  • 117–174: 1171 areas
  • 174–258: 1010 areas
  • 258–384: 856 areas
  • 384–571: 670 areas
  • 571–850: 616 areas
  • 850–1,263: 567 areas
  • 1,263–1,879: 520 areas
  • 1,879–2,794: 590 areas
  • 2,794–4,154: 679 areas
  • 4,154–6,177: 585 areas
  • 6,177–9,186: 528 areas
  • 9,186–13,659: 405 areas
  • 13,659–20,311: 195 areas
  • 20,311–30,202: 96 areas
  • 30,202–44,910: 33 areas
  • 44,910–66,781: 10 areas

All suburb / locality areas, 2021. The marker is Australia Plains — lower than 76% of areas.

Total population compared with the state and national average
Australia Plains41
5374, SA 1,493
South Australia 1,781,516
Australia 25,422,788

Population

How many people, and the typical age.

The typical resident is 40 years old, making the area a little younger than the South Australian average but a little older than the national figure.

41

Lower than 76% of suburb / locality areas.

  • 2016: 26
  • 2021: 41

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

40 yrs

Younger than 71% of suburb / locality areas.

  • 2016: 37 yrs
  • 2021: 40 yrs

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

Age profile

How the population splits across age groups.

Older adults aged 45 to 64 make up the largest group at 36.6%. This contributes to a very low number of seniors, with those 65 and over at 9.8%, which is far below the state figure.

9.8%

Lower than 85% of suburb / locality areas.

  • 2016: 26.9%
  • 2021: 9.8%

Share of the population aged 65 years and over.

14.6%

Lower than 66% of suburb / locality areas.

  • 2016: 15.4%
  • 2021: 14.6%

Share of the population aged under 15 years.

Age structure

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Australia Plains splits fairly evenly between Older adults (45–64) (33%) and Young adults (25–44) (29%), with Youth (15–24) at 16%.

Identity & relationships

First Nations identity and marital status.

De facto relationships are much more common here than in most areas, accounting for 18.8% of residents. This is well above both the state and national averages.

18.8%

Higher than 86% of suburb / locality areas.

  • 2016: 13.0%
  • 2021: 18.8%

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

Marital status

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In Australia Plains, Married is the majority at 67%; Never married is next at 23%.

Age & sex structure

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

Sources

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

More for Australia Plains

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Australia Plains [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL40053/australia-plains/topic/demographics-identity