2,348 ▼ -9.0%
Lower than 78% of council (lga) areas.
- 2011: 2,580
- 2016: 2,453
- 2021: 2,348
The number of people who usually live in the area, counted on Census night.
Tiwi Islands · Council (LGA)
Demographics & Identity in Tiwi Islands
Who lives here — how many people, how old they are, and how communities identify.
About 86.5% of the Tiwi Islands population identifies as Aboriginal and Torres Strait Islander, making it one of the highest proportions in the country. The area is notably young, with a typical resident aged just 30 years. This creates a community where children and young adults make up a large part of the population.
2,348
▼ -9.0%
- 1–2: 3 areas
- 2–3: 0 areas
- 3–4: 0 areas
- 4–7: 0 areas
- 7–12: 2 areas
- 12–20: 1 area
- 20–33: 0 areas
- 33–55: 1 area
- 55–91: 0 areas
- 91–150: 5 areas
- 150–248: 3 areas
- 248–409: 13 areas
- 409–675: 22 areas
- 675–1,115: 38 areas
- 1,115–1,840: 37 areas
- 1,840–3,038: 30 areas
- 3,038–5,014: 40 areas
- 5,014–8,276: 49 areas
- 8,276–13,661: 54 areas
- 13,661–22,550: 57 areas
- 22,550–37,223: 43 areas
- 37,223–61,442: 49 areas
- 61,442–101,420: 39 areas
- 101,420–167,409: 37 areas
- 167,409–276,336: 31 areas
- 276,336–456,137: 8 areas
- 456,137–752,926: 2 areas
- 752,926–1,242,825: 1 area
All council (lga) areas, 2021. The marker is Tiwi Islands — lower than 78% of areas.
| Tiwi Islands | 2,348 |
|---|---|
| Rest of NT | 89,103 |
| Northern Territory | 232,605 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
The population of the Tiwi Islands shrank by 9.0% since 2011, falling to 2,348 people. While the typical resident is now 30, this is still far younger than the national figure of 38.
30 yrs ▲ +15.4%
Younger than 95% of council (lga) areas.
- 2011: 26 yrs
- 2016: 30 yrs
- 2021: 30 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 22.8% of the population, which is well above the Australian figure. Conversely, people aged 65 and over are very few, at only 4.4%, a figure far below the national average.
4.4% ▲ +63.9%
Lower than 98% of council (lga) areas.
- 2011: 2.7%
- 2016: 4.3%
- 2021: 4.4%
Share of the population aged 65 years and over.
22.8% ▼ -20.7%
Higher than 89% of council (lga) areas.
- 2011: 28.8%
- 2016: 25.0%
- 2021: 22.8%
Share of the population aged under 15 years.
Age structure
View on map →In Tiwi Islands, the largest group is Young adults (25–44) at 32%, followed by Older adults (45–64) (24%) and Children (0–14) (23%).
Identity & relationships
First Nations identity and marital status.
De facto relationships are common here, with 25.9% of people in such partnerships, which is far above the Northern Territory figure. Most residents have never been married, accounting for 69.0% of the population.
86.5% ▼ -1.6%
Higher than 99% of council (lga) areas.
- 2011: 87.9%
- 2016: 89.2%
- 2021: 86.5%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
25.9% ▲ +35.4%
Higher than 96% of council (lga) areas.
- 2011: 19.1%
- 2016: 26.7%
- 2021: 25.9%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →In Tiwi Islands, Never married is the majority at 69%; Married is next at 23%.
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for Tiwi Islands
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in Tiwi Islands [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/lga/LGA74050/tiwi-islands/topic/demographics-identity