568 ▲ +15.9%
Lower than 80% of postcode areas.
- 2011: 490
- 2016: 542
- 2021: 568
The number of people who usually live in the area, counted on Census night.
5581, SA · Postcode
Demographics & Identity in 5581, SA
Who lives here — how many people, how old they are, and how communities identify.
A typical resident in postcode 5581 is 65 years old, making it one of the oldest areas in the region. This age gap is stark, as residents are 27 years older than the Australian average. Over the last decade, the population has grown by 16% to reach 568 people.
568
▲ +15.9%
- 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 5581, SA — lower than 80% of areas.
| 5581, SA | 568 |
|---|---|
| Yorke Peninsula | 11,598 |
| South Australia | 1,781,516 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
The typical resident is 65, which is far older than the national figure of 38. This age has climbed by 3 years since 2011.
65 yrs ▲ +4.8%
Older than 99% of postcode areas.
- 2011: 62 yrs
- 2016: 64 yrs
- 2021: 65 yrs
Half the population is older than this age, and half younger.
Age profile
How the population splits across age groups.
Half of the population—50.9%—is aged 65 or over, a figure far above the 17.2% national average. This explains why children under 15 make up only 4.9% of the area, which is among the lowest for similar places.
50.9% ▲ +20.7%
Higher than 99% of postcode areas.
- 2011: 42.2%
- 2016: 47.8%
- 2021: 50.9%
Share of the population aged 65 years and over.
4.9% ▼ -47.4%
Lower than 99% of postcode areas.
- 2011: 9.4%
- 2016: 5.4%
- 2021: 4.9%
Share of the population aged under 15 years.
Age structure
View on map →In 5581, SA, Seniors (65+) is the majority at 51%; Older adults (45–64) is next at 28%.
Identity & relationships
First Nations identity and marital status.
Most people here are married (58.6%), while those in de facto relationships (8.7%) are much fewer than in most other areas. About 2.3% of the population identifies as Aboriginal or Torres Strait Islander.
2.3% ▲ +273.1%
Higher than 51% of postcode areas.
- 2011: 0.6%
- 2016: 0.9%
- 2021: 2.3%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
8.7% ▼ -4.6%
Lower than 85% of postcode areas.
- 2011: 9.1%
- 2016: 11.0%
- 2021: 8.7%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →In 5581, SA, Married is the majority at 59%; Never married is next at 18%.
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for 5581, SA
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in 5581, SA [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA5581/5581-sa/topic/demographics-identity