46 —
Lower than 74% of suburb / locality areas.
- 2016: 40
- 2021: 46
The number of people who usually live in the area, counted on Census night.
Thornlea · Suburb / Locality
Who lives here — how many people, how old they are, and how communities identify.
A typical resident in Thornlea is just 37 years old, making this area noticeably younger than most others in the region. This sparsely populated place has a small community of 46 people, with a population profile that sits well below state and national averages for older adults.
All suburb / locality areas, 2021. The marker is Thornlea — lower than 74% of areas.
| Thornlea | 46 |
|---|---|
| 5280, SA | 7,561 |
| South Australia | 1,781,516 |
| Australia | 25,422,788 |
How many people, and the typical age.
The typical age of 37 is noticeably younger than the South Australian figure of 41 and a little younger than the national typical age of 38.
46 —
Lower than 74% of suburb / locality areas.
The number of people who usually live in the area, counted on Census night.
37 yrs —
Younger than 80% of suburb / locality 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 only 6.5% of the population, which is far below the 20% seen across South Australia and the 17.2% national figure.
6.5% —
Lower than 90% of suburb / locality areas.
Share of the population aged 65 years and over.
17.4% —
Higher than 52% of suburb / locality areas.
Share of the population aged under 15 years.
In Thornlea, the largest group is Older adults (45–64) at 32%, followed by Children (0–14) (24%) and Young adults (25–44) (24%).
First Nations identity and marital status.
De facto relationships are much more common here than in most areas, at 20%, which is well above the 11.5% national figure. No residents identify as Aboriginal or Torres Strait Islander.
0.0% —
Lower than 99% of suburb / locality areas.
Share of people who identify as Aboriginal and/or Torres Strait Islander.
20.0% —
Higher than 88% of suburb / locality areas.
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Thornlea splits fairly evenly between Married (45%) and Never married (42%), with Divorced at 13%.
Australian Bureau of Statistics. (2021). Demographics & Identity in Thornlea [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL41448/thornlea/topic/demographics-identity