Orroroo · Urban Centre

Demographics & Identity in Orroroo

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

Far older residents than most similar areas define Orroroo, where the typical person is now 55. This aging trend is stark, with the typical age jumping 15 years since 2011. The population has remained steady at 516 people.

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📍 Orroroo, Urban Centre

Where Orroroo sits — Total population

516 ▲ +0.4%
  • 1–2: 3 areas
  • 2–3: 0 areas
  • 3–5: 0 areas
  • 5–9: 0 areas
  • 9–16: 2 areas
  • 16–27: 1 area
  • 27–47: 2 areas
  • 47–81: 2 areas
  • 81–139: 14 areas
  • 139–241: 145 areas
  • 241–418: 340 areas
  • 418–723: 351 areas
  • 723–1,252: 304 areas
  • 1,252–2,168: 191 areas
  • 2,168–3,752: 181 areas
  • 3,752–6,495: 107 areas
  • 6,495–11,242: 69 areas
  • 11,242–19,459: 44 areas
  • 19,459–33,683: 31 areas
  • 33,683–58,304: 17 areas
  • 58,304–100,921: 8 areas
  • 100,921–174,689: 8 areas
  • 174,689–302,378: 4 areas
  • 302,378–523,401: 5 areas
  • 523,401–905,982: 2 areas
  • 905,982–1,568,210: 1 area
  • 1,568,210–2,714,494: 2 areas
  • 2,714,494–4,698,656: 2 areas

All urban centre areas, 2021. The marker is Orroroo — lower than 66% of areas.

Total population compared with the state and national average
Orroroo516
5431, SA 857
South Australia 1,781,516
Australia 25,422,788

Population

How many people, and the typical age.

The typical resident in Orroroo is 55, which is far older than the South Australian figure of 41. This is a significant increase from 2011, when the typical age was only 40.

516 ▲ +0.4%

Lower than 66% of urban centre areas.

  • 2011: 514
  • 2016: 537
  • 2021: 516

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

55 yrs ▲ +37.5%

Older than 83% of urban centre areas.

  • 2011: 40 yrs
  • 2016: 52 yrs
  • 2021: 55 yrs

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

Age profile

How the population splits across age groups.

This is a senior-heavy community, with people aged 65 and over making up 32.9% of the population, far above the national figure of 17.2%. Meanwhile, children under 15 have fallen to 13.0%, which is well below the Australian average.

32.9% ▲ +123.7%

Higher than 83% of urban centre areas.

  • 2011: 14.7%
  • 2016: 31.1%
  • 2021: 32.9%

Share of the population aged 65 years and over.

13.0% ▼ -39.1%

Lower than 82% of urban centre areas.

  • 2011: 21.3%
  • 2016: 17.5%
  • 2021: 13.0%

Share of the population aged under 15 years.

Age structure

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Orroroo splits fairly evenly between Seniors (65+) (33%) and Older adults (45–64) (28%), with Young adults (25–44) at 18%.

Identity & relationships

First Nations identity and marital status.

Aboriginal and Torres Strait Islander people make up 0.8% of the population, among the lowest for similar areas. De facto relationships are also much less common here than in most areas, accounting for only 8.4% of residents.

8.4% ▼ -61.1%

Lower than 89% of urban centre areas.

  • 2011: 21.5%
  • 2016: 6.8%
  • 2021: 8.4%

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

Marital status

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In Orroroo, the largest group is Married at 47%, followed by Never married (27%) and Widowed (16%).

Age & sex structure

  • 85+: 85+: 8 males; 85+: 25 females
  • 80–84: 80–84: 6 males; 80–84: 12 females
  • 75–79: 75–79: 10 males; 75–79: 13 females
  • 70–74: 70–74: 20 males; 70–74: 18 females
  • 65–69: 65–69: 23 males; 65–69: 26 females
  • 60–64: 60–64: 21 males; 60–64: 21 females
  • 55–59: 55–59: 19 males; 55–59: 23 females
  • 50–54: 50–54: 15 males; 50–54: 17 females
  • 45–49: 45–49: 15 males; 45–49: 13 females
  • 40–44: 40–44: 9 males; 40–44: 15 females
  • 35–39: 35–39: 3 males; 35–39: 14 females
  • 30–34: 30–34: 6 males; 30–34: 13 females
  • 25–29: 25–29: 9 males; 25–29: 12 females
  • 20–24: 20–24: 12 males; 20–24: 0 females
  • 15–19: 15–19: 20 males; 15–19: 14 females
  • 10–14: 10–14: 24 males; 10–14: 15 females
  • 5–9: 5–9: 15 males; 5–9: 6 females
  • 0–4: 0–4: 9 males; 0–4: 5 females

Sources

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

More for Orroroo

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Orroroo [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/ucl/UCL421029/orroroo/topic/demographics-identity