20,471 ▲ +151.0%
Higher than 90% of statistical area 2 (sa2) areas.
- 2011: 8,156
- 2016: 16,112
- 2021: 20,471
The number of people who usually live in the area, counted on Census night.
Byford · Statistical Area 2 (SA2)
Demographics & Identity in Byford
Who lives here — how many people, how old they are, and how communities identify.
A gap of 10 percentage points separates Byford from the national average for children under 15, marking it as an exceptionally young place. The area has grown rapidly, adding about 12,315 people since 2011 to reach a population of 20,471. This growth is driven by a young demographic, with a typical resident aged just 31.
20,471
▲ +151.0%
- 1–1: 40 areas
- 1–2: 0 areas
- 2–3: 0 areas
- 3–4: 12 areas
- 4–6: 6 areas
- 6–9: 9 areas
- 9–13: 10 areas
- 13–19: 7 areas
- 19–27: 17 areas
- 27–39: 6 areas
- 39–56: 5 areas
- 56–81: 4 areas
- 81–116: 1 area
- 116–168: 5 areas
- 168–242: 3 areas
- 242–349: 4 areas
- 349–503: 2 areas
- 503–725: 9 areas
- 725–1,045: 3 areas
- 1,045–1,506: 5 areas
- 1,506–2,171: 31 areas
- 2,171–3,130: 83 areas
- 3,130–4,513: 217 areas
- 4,513–6,507: 318 areas
- 6,507–9,382: 402 areas
- 9,382–13,526: 546 areas
- 13,526–19,501: 496 areas
- 19,501–28,116: 231 areas
All statistical area 2 (sa2) areas, 2021. The marker is Byford — higher than 90% of areas.
| Byford | 20,471 |
|---|---|
| 6122, WA | 21,803 |
| Western Australia | 2,660,026 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
The population has grown 151% since 2011, making it one of the largest areas at this level. The typical resident is 31, which is noticeably younger than the state and national figure of 38.
31 yrs → 0.0%
Younger than 94% of statistical area 2 (sa2) areas.
- 2011: 31 yrs
- 2016: 29 yrs
- 2021: 31 yrs
Half the population is older than this age, and half younger.
Age profile
How the population splits across age groups.
Children under 15 make up 28.3% of the population, far above the 18.2% national figure. In contrast, seniors aged 65 and over make up only 7.8%, which is well below the national average of 17.2%.
7.8% ▲ +0.8%
Lower than 91% of statistical area 2 (sa2) areas.
- 2011: 7.7%
- 2016: 6.6%
- 2021: 7.8%
Share of the population aged 65 years and over.
28.3% ▲ +11.6%
Higher than 99% of statistical area 2 (sa2) areas.
- 2011: 25.3%
- 2016: 26.9%
- 2021: 28.3%
Share of the population aged under 15 years.
Age structure
View on map →In Byford, the largest group is Young adults (25–44) at 34%, followed by Children (0–14) (28%) and Older adults (45–64) (19%).
Identity & relationships
First Nations identity and marital status.
De facto relationships are much more common here than in most areas, at 16.0%. Additionally, the Aboriginal and Torres Strait Islander population has risen to 3.1%, which is higher than most areas and about the same as the national figure.
3.1% ▲ +110.9%
Higher than 62% of statistical area 2 (sa2) areas.
- 2011: 1.5%
- 2016: 2.3%
- 2021: 3.1%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
16.0% ▲ +15.3%
Higher than 86% of statistical area 2 (sa2) areas.
- 2011: 13.8%
- 2016: 17.5%
- 2021: 16.0%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →In Byford, the largest group is Married at 50%, followed by Never married (36%) and Divorced (8%).
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for Byford
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in Byford [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/506061142/byford/topic/demographics-identity