6423, WA · Postcode

Demographics & Identity in 6423, WA

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

A typical resident in postcode 6423 is 61 years old, which is 23 years older than the usual person in Western Australia. This sparsely populated area has seen its total population shrink by 47% since 2011, falling to just 146 people. The community is now dominated by seniors and older adults.

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📍 6423, WA, Postcode

Where 6423, WA sits — Total population

146 ▼ -47.3%
  • 1–2: 1 area
  • 2–2: 0 areas
  • 2–4: 0 areas
  • 4–5: 2 areas
  • 5–8: 3 areas
  • 8–12: 2 areas
  • 12–19: 2 areas
  • 19–29: 12 areas
  • 29–44: 19 areas
  • 44–67: 35 areas
  • 67–102: 30 areas
  • 102–155: 70 areas
  • 155–237: 97 areas
  • 237–360: 129 areas
  • 360–549: 158 areas
  • 549–836: 168 areas
  • 836–1,273: 181 areas
  • 1,273–1,938: 179 areas
  • 1,938–2,951: 157 areas
  • 2,951–4,493: 179 areas
  • 4,493–6,842: 176 areas
  • 6,842–10,418: 210 areas
  • 10,418–15,865: 268 areas
  • 15,865–24,158: 254 areas
  • 24,158–36,786: 182 areas
  • 36,786–56,016: 93 areas
  • 56,016–85,299: 28 areas
  • 85,299–129,888: 8 areas

All postcode areas, 2021. The marker is 6423, WA — lower than 94% of areas.

Total population compared with the state and national average
6423, WA146
Westonia 248
Western Australia 2,660,026
Australia 25,422,788

Population

How many people, and the typical age.

The population has dropped significantly, losing about 131 people since 2011. This has left the area with only 146 residents, making it one of the smallest at this level.

146 ▼ -47.3%

Lower than 94% of postcode areas.

  • 2011: 277
  • 2016: 216
  • 2021: 146

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

61 yrs ▲ +41.9%

Older than 99% of postcode areas.

  • 2011: 43 yrs
  • 2016: 45 yrs
  • 2021: 61 yrs

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

Age profile

How the population splits across age groups.

Seniors aged 65 and over make up 39% of the population, which is far above the national figure of 17.2%. This shift is reflected in the number of children under 15, which fell to 9.6% since 2011 and is well below the state average.

39.0% ▲ +218.1%

Higher than 99% of postcode areas.

  • 2011: 12.3%
  • 2016: 15.3%
  • 2021: 39.0%

Share of the population aged 65 years and over.

9.6% ▼ -48.9%

Lower than 93% of postcode areas.

  • 2011: 18.8%
  • 2016: 12.5%
  • 2021: 9.6%

Share of the population aged under 15 years.

Age structure

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In 6423, WA, the largest group is Seniors (65+) at 40%, followed by Older adults (45–64) (30%) and Young adults (25–44) (16%).

Identity & relationships

First Nations identity and marital status.

About 2.1% of residents identify as Aboriginal or Torres Strait Islander, which is a little below the national figure. People in de facto relationships are slightly more common here than in most other areas, at 14%.

14.0% ▲ +18.8%

Higher than 69% of postcode areas.

  • 2011: 11.8%
  • 2016: 16.8%
  • 2021: 14.0%

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

Marital status

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In 6423, WA, the largest group is Married at 50%, followed by Never married (30%) and Divorced (14%).

Age & sex structure

  • 85+: 85+: 4 males; 85+: 8 females
  • 80–84: 80–84: 3 males; 80–84: 0 females
  • 75–79: 75–79: 10 males; 75–79: 7 females
  • 70–74: 70–74: 5 males; 70–74: 5 females
  • 65–69: 65–69: 10 males; 65–69: 12 females
  • 60–64: 60–64: 11 males; 60–64: 11 females
  • 55–59: 55–59: 3 males; 55–59: 4 females
  • 50–54: 50–54: 0 males; 50–54: 4 females
  • 45–49: 45–49: 3 males; 45–49: 0 females
  • 40–44: 40–44: 3 males; 40–44: 5 females
  • 35–39: 35–39: 0 males; 35–39: 6 females
  • 30–34: 30–34: 0 males; 30–34: 9 females
  • 25–29: 25–29: 0 males; 25–29: 0 females
  • 20–24: 20–24: 0 males; 20–24: 0 females
  • 15–19: 15–19: 0 males; 15–19: 0 females
  • 10–14: 10–14: 0 males; 10–14: 0 females
  • 5–9: 5–9: 0 males; 5–9: 0 females
  • 0–4: 0–4: 4 males; 0–4: 5 females

Sources

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

More for 6423, WA

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in 6423, WA [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA6423/6423-wa/topic/demographics-identity