332,056 ▲ +15.2%
Higher than 74% of region (sa4) areas.
- 2011: 288,188
- 2016: 306,933
- 2021: 332,056
The number of people who usually live in the area, counted on Census night.
Sydney - Outer West and Blue Mountains · Region (SA4)
Who lives here — how many people, how old they are, and how communities identify.
Over 20% of the population are children under 15, making Sydney - Outer West and Blue Mountains much more family-oriented than most similar areas. This region is a little younger than the state and national figures, with a total population of 332,056 that has grown by 15% since 2011.
All region (sa4) areas, 2021. The marker is Sydney - Outer West and Blue Mountains — higher than 74% of areas.
| Sydney - Outer West and Blue Mountains | 332,056 |
|---|---|
| Greater Sydney | 5,231,147 |
| New South Wales | 8,072,163 |
| Australia | 25,422,788 |
How many people, and the typical age.
The population has grown by about 43,868 people since 2011. The typical resident is now 37, which is a little younger than the national figure of 38.
332,056 ▲ +15.2%
Higher than 74% of region (sa4) areas.
The number of people who usually live in the area, counted on Census night.
37 yrs ▲ +2.8%
Younger than 71% of region (sa4) areas.
Half the population is older than this age, and half younger.
How the population splits across age groups.
Children under 15 make up 20.1% of the area, which is much higher than most other regions. While the proportion of seniors is a little below the national figure at 15.6%, this group has grown by 4.2 percentage points since 2011.
15.6% ▲ +36.5%
Lower than 60% of region (sa4) areas.
Share of the population aged 65 years and over.
20.1% ▼ -4.9%
Higher than 86% of region (sa4) areas.
Share of the population aged under 15 years.
Sydney - Outer West and Blue Mountains splits fairly evenly between Young adults (25–44) (28%) and Older adults (45–64) (24%), with Children (0–14) at 20%.
First Nations identity and marital status.
Aboriginal and Torres Strait Islander people make up 4.6% of the population, which is higher than most areas and a little above the national figure. Most residents are married (46%), while those in de facto relationships (11.5%) are fewer than in most other areas.
4.6% ▲ +67.8%
Higher than 63% of region (sa4) areas.
Share of people who identify as Aboriginal and/or Torres Strait Islander.
11.5% ▲ +24.5%
Lower than 69% of region (sa4) areas.
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
In Sydney - Outer West and Blue Mountains, the largest group is Married at 46%, followed by Never married (37%) and Divorced (9%).
Australian Bureau of Statistics. (2021). Demographics & Identity in Sydney - Outer West and Blue Mountains [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa4/124/sydney-outer-west-and-blue-mountains/topic/demographics-identity