Derby · Urban Centre

Demographics & Identity in Derby

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

Much younger residents than most similar areas define Derby, where the typical person is just 35. The town has seen a massive surge in size, more than doubling its population to 3,009 people since 2011. This growth is paired with a strong Indigenous identity and a high proportion of young families.

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📍 Derby, Urban Centre

Where Derby sits — Total population

3,009 ▲ +116.3%
  • 1–2: 3 areas
  • 2–3: 0 areas
  • 3–5: 0 areas
  • 5–9: 0 areas
  • 9–16: 2 areas
  • 16–27: 1 area
  • 27–47: 2 areas
  • 47–81: 2 areas
  • 81–139: 14 areas
  • 139–241: 145 areas
  • 241–418: 340 areas
  • 418–723: 351 areas
  • 723–1,252: 304 areas
  • 1,252–2,168: 191 areas
  • 2,168–3,752: 181 areas
  • 3,752–6,495: 107 areas
  • 6,495–11,242: 69 areas
  • 11,242–19,459: 44 areas
  • 19,459–33,683: 31 areas
  • 33,683–58,304: 17 areas
  • 58,304–100,921: 8 areas
  • 100,921–174,689: 8 areas
  • 174,689–302,378: 4 areas
  • 302,378–523,401: 5 areas
  • 523,401–905,982: 2 areas
  • 905,982–1,568,210: 1 area
  • 1,568,210–2,714,494: 2 areas
  • 2,714,494–4,698,656: 2 areas

All urban centre areas, 2021. The marker is Derby — higher than 78% of areas.

Total population compared with the state and national average
Derby3,009
6728, WA 5,365
Western Australia 2,660,026
Australia 25,422,788

Population

How many people, and the typical age.

The population grew 116% since 2011, adding about 1,618 people to make it larger than about 81% of similar areas. Residents are noticeably younger than those in the rest of Western Australia and Australia, though the typical age rose by 2 years since 2011.

3,009 ▲ +116.3%

Higher than 78% of urban centre areas.

  • 2011: 1,391
  • 2016: 3,325
  • 2021: 3,009

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

35 yrs ▲ +6.1%

Younger than 86% of urban centre areas.

  • 2011: 33 yrs
  • 2016: 34 yrs
  • 2021: 35 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 21.4% of the population, which is well above the national figure. Conversely, seniors aged 65 and over are much fewer than in most areas, sitting well below the state and national levels.

12.5% ▲ +92.3%

Lower than 83% of urban centre areas.

  • 2011: 6.5%
  • 2016: 8.5%
  • 2021: 12.5%

Share of the population aged 65 years and over.

21.4% ▼ -21.1%

Higher than 76% of urban centre areas.

  • 2011: 27.1%
  • 2016: 23.7%
  • 2021: 21.4%

Share of the population aged under 15 years.

Age structure

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Derby splits fairly evenly between Young adults (25–44) (28%) and Older adults (45–64) (26%), with Children (0–14) at 21%.

Identity & relationships

First Nations identity and marital status.

Aboriginal and Torres Strait Islander people make up 38.2% of the community, a figure far above the state and national averages that rose 35 points since 2011. De facto relationships are also very common here, at 20.0%, which is well above the national figure.

38.2% ▲ +1294.8%

Higher than 90% of urban centre areas.

  • 2011: 2.7%
  • 2016: 47.3%
  • 2021: 38.2%

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

20.0% ▲ +42.6%

Higher than 89% of urban centre areas.

  • 2011: 14.0%
  • 2016: 22.6%
  • 2021: 20.0%

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

Marital status

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In Derby, Never married is the majority at 53%; Married is next at 31%.

Age & sex structure

  • 85+: 85+: 9 males; 85+: 16 females
  • 80–84: 80–84: 13 males; 80–84: 15 females
  • 75–79: 75–79: 22 males; 75–79: 25 females
  • 70–74: 70–74: 58 males; 70–74: 50 females
  • 65–69: 65–69: 92 males; 65–69: 70 females
  • 60–64: 60–64: 105 males; 60–64: 89 females
  • 55–59: 55–59: 108 males; 55–59: 102 females
  • 50–54: 50–54: 89 males; 50–54: 106 females
  • 45–49: 45–49: 88 males; 45–49: 107 females
  • 40–44: 40–44: 79 males; 40–44: 93 females
  • 35–39: 35–39: 91 males; 35–39: 106 females
  • 30–34: 30–34: 109 males; 30–34: 124 females
  • 25–29: 25–29: 110 males; 25–29: 142 females
  • 20–24: 20–24: 92 males; 20–24: 108 females
  • 15–19: 15–19: 76 males; 15–19: 75 females
  • 10–14: 10–14: 103 males; 10–14: 103 females
  • 5–9: 5–9: 114 males; 5–9: 106 females
  • 0–4: 0–4: 113 males; 0–4: 100 females

Sources

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

More for Derby

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Derby [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/ucl/UCL515010/derby/topic/demographics-identity