East Arnhem · Sub-region (SA3)

Demographics & Identity in East Arnhem

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

A far higher proportion of people identify as Aboriginal and Torres Strait Islander in East Arnhem than the national average, at 64.4%. This region is also remarkably young, with a typical resident aged just 29. Together, these facts paint a picture of a community shaped by a large youth population and deep cultural ties.

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📍 East Arnhem, Sub-region (SA3)

Where East Arnhem sits — Total population

12,798 ▼ -8.7%
  • 1–2: 3 areas
  • 2–2: 0 areas
  • 2–4: 0 areas
  • 4–6: 0 areas
  • 6–9: 2 areas
  • 9–15: 2 areas
  • 15–23: 1 area
  • 23–37: 0 areas
  • 37–57: 1 area
  • 57–90: 0 areas
  • 90–141: 1 area
  • 141–221: 1 area
  • 221–347: 1 area
  • 347–545: 2 areas
  • 545–854: 3 areas
  • 854–1,340: 0 areas
  • 1,340–2,101: 3 areas
  • 2,101–3,296: 1 area
  • 3,296–5,169: 2 areas
  • 5,169–8,107: 3 areas
  • 8,107–12,714: 7 areas
  • 12,714–19,940: 16 areas
  • 19,940–31,273: 30 areas
  • 31,273–49,048: 61 areas
  • 49,048–76,924: 90 areas
  • 76,924–120,643: 70 areas
  • 120,643–189,211: 46 areas
  • 189,211–296,748: 12 areas

All sub-region (sa3) areas, 2021. The marker is East Arnhem — lower than 91% of areas.

Total population compared with the state and national average
East Arnhem12,798
Rest of NT 89,103
Northern Territory 232,605
Australia 25,422,788

Population

How many people, and the typical age.

The population of East Arnhem shrank by 8.7% since 2011, falling to 12,798 people. Residents here are noticeably younger than those in the rest of the Territory, and far younger than the national figure.

12,798 ▼ -8.7%

Lower than 91% of sub-region (sa3) areas.

  • 2011: 14,020
  • 2016: 13,014
  • 2021: 12,798

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

29 yrs ▲ +7.4%

Younger than 99% of sub-region (sa3) areas.

  • 2011: 27 yrs
  • 2016: 27 yrs
  • 2021: 29 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 24.7% of the population, which is well above the national figure. This helps explain why the area is so young, especially as only 3.9% of residents are seniors, a figure far below the Australian average.

3.9% ▲ +87.2%

Lower than 99% of sub-region (sa3) areas.

  • 2011: 2.1%
  • 2016: 3.1%
  • 2021: 3.9%

Share of the population aged 65 years and over.

24.7% ▼ -19.0%

Higher than 99% of sub-region (sa3) areas.

  • 2011: 30.5%
  • 2016: 28.5%
  • 2021: 24.7%

Share of the population aged under 15 years.

Age structure

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In East Arnhem, the largest group is Young adults (25–44) at 34%, followed by Children (0–14) (25%) and Older adults (45–64) (20%).

Identity & relationships

First Nations identity and marital status.

Indigenous identity is very strong here, with 64.4% of residents identifying as Aboriginal or Torres Strait Islander. Meanwhile, people in de facto relationships make up 9.1%, which is much lower than most other similar areas.

64.4% ▲ +4.5%

Higher than 99% of sub-region (sa3) areas.

  • 2011: 61.6%
  • 2016: 68.1%
  • 2021: 64.4%

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

9.1% ▲ +13.9%

Lower than 85% of sub-region (sa3) areas.

  • 2011: 8.0%
  • 2016: 8.8%
  • 2021: 9.1%

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

Marital status

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East Arnhem splits fairly evenly between Married (46%) and Never married (42%), with Widowed at 5%.

Age & sex structure

  • 85+: 85+: 3 males; 85+: 5 females
  • 80–84: 80–84: 11 males; 80–84: 21 females
  • 75–79: 75–79: 29 males; 75–79: 34 females
  • 70–74: 70–74: 73 males; 70–74: 56 females
  • 65–69: 65–69: 131 males; 65–69: 138 females
  • 60–64: 60–64: 228 males; 60–64: 219 females
  • 55–59: 55–59: 307 males; 55–59: 307 females
  • 50–54: 50–54: 366 males; 50–54: 360 females
  • 45–49: 45–49: 397 males; 45–49: 422 females
  • 40–44: 40–44: 489 males; 40–44: 470 females
  • 35–39: 35–39: 551 males; 35–39: 591 females
  • 30–34: 30–34: 521 males; 30–34: 635 females
  • 25–29: 25–29: 535 males; 25–29: 531 females
  • 20–24: 20–24: 530 males; 20–24: 524 females
  • 15–19: 15–19: 599 males; 15–19: 545 females
  • 10–14: 10–14: 554 males; 10–14: 538 females
  • 5–9: 5–9: 561 males; 5–9: 529 females
  • 0–4: 0–4: 533 males; 0–4: 448 females

Sources

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

More for East Arnhem

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in East Arnhem [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa3/70204/east-arnhem/topic/demographics-identity