219 ▼ -3.5%
Lower than 89% of urban centre areas.
- 2011: 227
- 2016: 234
- 2021: 219
The number of people who usually live in the area, counted on Census night.
Arno Bay · Urban Centre
Who lives here — how many people, how old they are, and how communities identify.
A typical resident in Arno Bay is 57, which is far older than the national figure of 38. This small community has aged significantly over the last decade, with a growing number of seniors now making up over a third of the population.
All urban centre areas, 2021. The marker is Arno Bay — lower than 89% of areas.
| Arno Bay | 219 |
|---|---|
| 5603, SA | 422 |
| South Australia | 1,781,516 |
| Australia | 25,422,788 |
How many people, and the typical age.
The population is among the smallest at this level, totaling 219 people. This is a slight decrease from 2011, when the area had 227 residents.
219 ▼ -3.5%
Lower than 89% of urban centre areas.
The number of people who usually live in the area, counted on Census night.
57 yrs ▲ +18.8%
Older than 88% of urban centre areas.
Half the population is older than this age, and half younger.
How the population splits across age groups.
Seniors aged 65 and over make up 36.1% of the population, a figure far above the 17.2% national average. This group has grown by 17 percentage points since 2011, while children under 15 now account for 17.4%.
36.1% ▲ +92.1%
Higher than 88% of urban centre areas.
Share of the population aged 65 years and over.
17.4% ▼ -5.4%
Lower than 52% of urban centre areas.
Share of the population aged under 15 years.
In Arno Bay, the largest group is Seniors (65+) at 34%, followed by Older adults (45–64) (24%) and Young adults (25–44) (19%).
First Nations identity and marital status.
De facto relationships are more common here than in most areas, at 14.9%, which is well above the national figure of 11.5%. About 2.3% of residents identify as Aboriginal and Torres Strait Islander, a figure that has barely changed since 2011.
2.3% ▼ -13.2%
Lower than 73% of urban centre areas.
Share of people who identify as Aboriginal and/or Torres Strait Islander.
14.9% ▲ +2.8%
Higher than 68% of urban centre areas.
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
In Arno Bay, the largest group is Married at 48%, followed by Never married (25%) and Divorced (15%).
Australian Bureau of Statistics. (2021). Demographics & Identity in Arno Bay [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/ucl/UCL422005/arno-bay/topic/demographics-identity