Ballajura · Statistical Area 2 (SA2)

Demographics & Identity in Ballajura

Who lives here — how many people, how old they are, and how communities identify.

A growing older age profile has shaped Ballajura since 2011, with the typical resident now 37. This is a large suburb of over 18,500 people, though the total population has shrunk slightly over the last decade.

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📍 Ballajura, Statistical Area 2 (SA2)

Where Ballajura sits — Total population

18,505 ▼ -3.0%
  • 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 Ballajura — higher than 87% of areas.

Total population compared with the state and national average
Ballajura18,505
6067, WA 45
Western Australia 2,660,026
Australia 25,422,788

Population

How many people, and the typical age.

The typical resident is 37, which is a little younger than the national figure of 38. The total population is 18,505, making it larger than about 88% of similar areas.

18,505 ▼ -3.0%

Higher than 87% of statistical area 2 (sa2) areas.

  • 2011: 19,082
  • 2016: 18,745
  • 2021: 18,505

The number of people who usually live in the area, counted on Census night.

37 yrs ▲ +8.8%

Younger than 64% of statistical area 2 (sa2) areas.

  • 2011: 34 yrs
  • 2016: 35 yrs
  • 2021: 37 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 19.2% of the population, while seniors aged 65 and over are well below the national figure at 13.0%. The number of older adults has risen by 5.5 percentage points since 2011.

13.0% ▲ +73.8%

Lower than 74% of statistical area 2 (sa2) areas.

  • 2011: 7.5%
  • 2016: 9.6%
  • 2021: 13.0%

Share of the population aged 65 years and over.

19.2% ▼ -12.7%

Higher than 64% of statistical area 2 (sa2) areas.

  • 2011: 22.0%
  • 2016: 19.9%
  • 2021: 19.2%

Share of the population aged under 15 years.

Age structure

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Ballajura splits fairly evenly between Older adults (45–64) (29%) and Young adults (25–44) (25%), with Children (0–14) at 19%.

Identity & relationships

First Nations identity and marital status.

About 2.3% of residents identify as Aboriginal or Torres Strait Islander, which is around the middle for similar areas. Those in de facto relationships make up 8.6% of the population, a figure well below the state average of 12.2%.

2.3% ▲ +6.6%

Higher than 53% of statistical area 2 (sa2) areas.

  • 2011: 2.2%
  • 2016: 1.8%
  • 2021: 2.3%

Share of people who identify as Aboriginal and/or Torres Strait Islander.

8.6% ▲ +3.1%

Lower than 80% of statistical area 2 (sa2) areas.

  • 2011: 8.3%
  • 2016: 8.6%
  • 2021: 8.6%

Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).

Marital status

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In Ballajura, the largest group is Married at 48%, followed by Never married (36%) and Divorced (9%).

Age & sex structure

  • 85+: 85+: 88 males; 85+: 112 females
  • 80–84: 80–84: 123 males; 80–84: 135 females
  • 75–79: 75–79: 187 males; 75–79: 214 females
  • 70–74: 70–74: 317 males; 70–74: 317 females
  • 65–69: 65–69: 455 males; 65–69: 453 females
  • 60–64: 60–64: 646 males; 60–64: 649 females
  • 55–59: 55–59: 771 males; 55–59: 765 females
  • 50–54: 50–54: 631 males; 50–54: 723 females
  • 45–49: 45–49: 521 males; 45–49: 614 females
  • 40–44: 40–44: 540 males; 40–44: 540 females
  • 35–39: 35–39: 537 males; 35–39: 613 females
  • 30–34: 30–34: 580 males; 30–34: 584 females
  • 25–29: 25–29: 637 males; 25–29: 575 females
  • 20–24: 20–24: 688 males; 20–24: 618 females
  • 15–19: 15–19: 685 males; 15–19: 625 females
  • 10–14: 10–14: 639 males; 10–14: 624 females
  • 5–9: 5–9: 635 males; 5–9: 591 females
  • 0–4: 0–4: 530 males; 0–4: 538 females

Sources

  • Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).

More for Ballajura

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Ballajura [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/504031056/ballajura/topic/demographics-identity