396,776 ▲ +31.8%
Higher than 89% of council (lga) areas.
- 2011: 301,099
- 2016: 336,962
- 2021: 396,776
The number of people who usually live in the area, counted on Census night.
Blacktown · Council (LGA)
Who lives here — how many people, how old they are, and how communities identify.
A noticeably younger population marks Blacktown, where the typical resident is 34 — five years younger than the New South Wales average. This growth is significant, with the population climbing 32% since 2011 to reach 396,776 people. It is now among the largest areas of its kind in the region.
All council (lga) areas, 2021. The marker is Blacktown — higher than 89% of areas.
| Blacktown | 396,776 |
|---|---|
| Greater Sydney | 5,231,147 |
| New South Wales | 8,072,163 |
| Australia | 25,422,788 |
How many people, and the typical age.
The typical resident is 34, which is much lower than most areas and noticeably younger than the national figure of 38. This age has risen slightly since 2011, when it was 32.
396,776 ▲ +31.8%
Higher than 89% of council (lga) areas.
The number of people who usually live in the area, counted on Census night.
34 yrs ▲ +6.3%
Younger than 88% of council (lga) areas.
Half the population is older than this age, and half younger.
How the population splits across age groups.
Children under 15 make up 22.7% of the population, which is well above the national figure of 18.2%. This helps explain why the area is so young, as seniors aged 65 and over are much lower than most areas at just 11.0%.
11.0% ▲ +22.6%
Lower than 86% of council (lga) areas.
Share of the population aged 65 years and over.
22.7% ▼ -4.3%
Higher than 88% of council (lga) areas.
Share of the population aged under 15 years.
In Blacktown, the largest group is Young adults (25–44) at 32%, followed by Children (0–14) (23%) and Older adults (45–64) (22%).
First Nations identity and marital status.
About 3.0% of residents are Aboriginal and Torres Strait Islander, which is about the same as the New South Wales figure. Those in de facto relationships make up 6.8% of the population, a figure that is well below the national average.
3.0% ▲ +9.3%
Lower than 60% of council (lga) areas.
Share of people who identify as Aboriginal and/or Torres Strait Islander.
6.8% ▲ +11.7%
Lower than 97% of council (lga) areas.
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
In Blacktown, Married is the majority at 53%; Never married is next at 34%.
Australian Bureau of Statistics. (2021). Demographics & Identity in Blacktown [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/lga/LGA10750/blacktown/topic/demographics-identity