210 ▼ -12.9%
Higher than 55% of suburb / locality areas.
- 2011: 241
- 2016: 172
- 2021: 210
The number of people who usually live in the area, counted on Census night.
Marion Bay · Suburb / Locality
Who lives here — how many people, how old they are, and how communities identify.
A typical resident of Marion Bay is far older than most people in similar areas. With a typical age of 54, the population is much older than the state and national figures. This reflects a community where adults aged 45 to 64 make up the largest age group at 42.4%.
All suburb / locality areas, 2021. The marker is Marion Bay — higher than 55% of areas.
| Marion Bay | 210 |
|---|---|
| 5575, SA | 2,391 |
| South Australia | 1,781,516 |
| Australia | 25,422,788 |
How many people, and the typical age.
The population totals 210 people, which is larger than about 55% of similar areas. The typical resident is 54, making the area far older than the national figure by 16 years.
210 ▼ -12.9%
Higher than 55% of suburb / locality areas.
The number of people who usually live in the area, counted on Census night.
54 yrs ▲ +17.4%
Older than 83% of suburb / locality areas.
Half the population is older than this age, and half younger.
How the population splits across age groups.
Children under 15 make up only 11% of the population, which is well below the national figure of 18.2%. Meanwhile, seniors aged 65 and over account for 19.5%, a figure about the same as the state average.
19.5% ▲ +12.5%
Higher than 54% of suburb / locality areas.
Share of the population aged 65 years and over.
11.0% ▼ -32.0%
Lower than 81% of suburb / locality areas.
Share of the population aged under 15 years.
In Marion Bay, the largest group is Older adults (45–64) at 43%, followed by Seniors (65+) (20%) and Young adults (25–44) (17%).
First Nations identity and marital status.
De facto relationships are much more common here than in most similar areas, at 15.7%. This is well above the 11.5% national figure, while 1.4% of residents identify as Aboriginal or Torres Strait Islander.
1.4% ▼ -61.9%
Lower than 55% of suburb / locality areas.
Share of people who identify as Aboriginal and/or Torres Strait Islander.
15.7% ▲ +12.2%
Higher than 74% of suburb / locality areas.
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marion Bay splits fairly evenly between Married (40%) and Never married (35%), with Divorced at 16%.
Australian Bureau of Statistics. (2021). Demographics & Identity in Marion Bay [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL40831/marion-bay/topic/demographics-identity