Dianella · Suburb / Locality

Demographics & Identity in Dianella

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

More than 24,000 people live in Dianella, making it one of the largest areas of its kind. The community is noticeably older than the state and national average, with a typical resident aged 43.

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📍 Dianella, Suburb / Locality

Where Dianella sits — Total population

24,169 ▲ +7.3%
  • 1–1: 689 areas
  • 1–2: 0 areas
  • 2–3: 119 areas
  • 3–5: 108 areas
  • 5–7: 243 areas
  • 7–11: 241 areas
  • 11–16: 514 areas
  • 16–24: 579 areas
  • 24–36: 898 areas
  • 36–53: 1059 areas
  • 53–79: 1168 areas
  • 79–117: 1203 areas
  • 117–174: 1171 areas
  • 174–258: 1010 areas
  • 258–384: 856 areas
  • 384–571: 670 areas
  • 571–850: 616 areas
  • 850–1,263: 567 areas
  • 1,263–1,879: 520 areas
  • 1,879–2,794: 590 areas
  • 2,794–4,154: 679 areas
  • 4,154–6,177: 585 areas
  • 6,177–9,186: 528 areas
  • 9,186–13,659: 405 areas
  • 13,659–20,311: 195 areas
  • 20,311–30,202: 96 areas
  • 30,202–44,910: 33 areas
  • 44,910–66,781: 10 areas

All suburb / locality areas, 2021. The marker is Dianella — higher than 90% of areas.

Total population compared with the state and national average
Dianella24,169
6059, WA 24,169
Western Australia 2,660,026
Australia 25,422,788

Population

How many people, and the typical age.

Dianella is among the largest areas at this level with a total population of 24,169. The typical resident is 43, which is noticeably older than the Western Australian and national figure of 38.

24,169 ▲ +7.3%

Higher than 90% of suburb / locality areas.

  • 2011: 22,521
  • 2016: 23,486
  • 2021: 24,169

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

43 yrs ▲ +7.5%

Younger than 57% of suburb / locality areas.

  • 2011: 40 yrs
  • 2016: 41 yrs
  • 2021: 43 yrs

Half the population is older than this age, and half younger.

Age profile

How the population splits across age groups.

This is an older community where 21.5% of residents are seniors, a figure well above the national average. This helps explain why the typical resident is older, as children under 15 make up only 15.4% of the population.

21.5% ▲ +15.3%

Higher than 62% of suburb / locality areas.

  • 2011: 18.7%
  • 2016: 19.7%
  • 2021: 21.5%

Share of the population aged 65 years and over.

15.4% ▼ -8.1%

Lower than 62% of suburb / locality areas.

  • 2011: 16.7%
  • 2016: 16.0%
  • 2021: 15.4%

Share of the population aged under 15 years.

Age structure

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Dianella splits fairly evenly between Older adults (45–64) (26%) and Young adults (25–44) (25%), with Seniors (65+) at 22%.

Identity & relationships

First Nations identity and marital status.

About 49% of residents are married, while those in de facto relationships make up 8%—a figure well below the state and national averages. The Aboriginal and Torres Strait Islander population is 0.8%, which is a little below the national figure.

0.8% ▲ +35.5%

Lower than 62% of suburb / locality areas.

  • 2011: 0.6%
  • 2016: 0.7%
  • 2021: 0.8%

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

8.0% ▲ +29.5%

Lower than 78% of suburb / locality areas.

  • 2011: 6.2%
  • 2016: 7.4%
  • 2021: 8.0%

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

Marital status

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In Dianella, the largest group is Married at 49%, followed by Never married (33%) and Divorced (9%).

Age & sex structure

  • 85+: 85+: 327 males; 85+: 496 females
  • 80–84: 80–84: 364 males; 80–84: 498 females
  • 75–79: 75–79: 418 males; 75–79: 580 females
  • 70–74: 70–74: 549 males; 70–74: 629 females
  • 65–69: 65–69: 627 males; 65–69: 727 females
  • 60–64: 60–64: 696 males; 60–64: 803 females
  • 55–59: 55–59: 778 males; 55–59: 782 females
  • 50–54: 50–54: 777 males; 50–54: 876 females
  • 45–49: 45–49: 832 males; 45–49: 837 females
  • 40–44: 40–44: 685 males; 40–44: 744 females
  • 35–39: 35–39: 810 males; 35–39: 881 females
  • 30–34: 30–34: 754 males; 30–34: 796 females
  • 25–29: 25–29: 725 males; 25–29: 696 females
  • 20–24: 20–24: 743 males; 20–24: 725 females
  • 15–19: 15–19: 670 males; 15–19: 627 females
  • 10–14: 10–14: 656 males; 10–14: 611 females
  • 5–9: 5–9: 635 males; 5–9: 612 females
  • 0–4: 0–4: 619 males; 0–4: 587 females

Sources

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

More for Dianella

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Dianella [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL50409/dianella/topic/demographics-identity