4,988 ▲ +19.8%
Lower than 78% of statistical area 2 (sa2) areas.
- 2011: 4,164
- 2016: 4,375
- 2021: 4,988
The number of people who usually live in the area, counted on Census night.
Triabunna - Bicheno · Statistical Area 2 (SA2)
Who lives here — how many people, how old they are, and how communities identify.
A typical resident in Triabunna - Bicheno is 57, making it one of the oldest areas of its kind. This region is heavily weighted toward seniors, who now make up over a third of the population. While the area has grown by 20% since 2011, it remains much older than both the state and national averages.
All statistical area 2 (sa2) areas, 2021. The marker is Triabunna - Bicheno — lower than 78% of areas.
How many people, and the typical age.
The population grew to 4,988 people by 2021, adding about 824 residents since 2011. This growth occurred alongside a trend of an aging community, with the typical age rising by 4 years over the last decade.
4,988 ▲ +19.8%
Lower than 78% of statistical area 2 (sa2) areas.
The number of people who usually live in the area, counted on Census night.
57 yrs ▲ +7.5%
Older than 99% of statistical area 2 (sa2) areas.
Half the population is older than this age, and half younger.
How the population splits across age groups.
Seniors aged 65 and over make up 34.1% of the area, a figure far above the national average. This contributes to a stark age gap, as children under 15 fell to 9.9% by 2021, which is well below the figures for Tasmania and Australia.
34.1% ▲ +31.3%
Higher than 99% of statistical area 2 (sa2) areas.
Share of the population aged 65 years and over.
9.9% ▼ -29.7%
Lower than 93% of statistical area 2 (sa2) areas.
Share of the population aged under 15 years.
Triabunna - Bicheno splits fairly evenly between Seniors (65+) (34%) and Older adults (45–64) (31%), with Young adults (25–44) at 20%.
First Nations identity and marital status.
Aboriginal and Torres Strait Islander people make up 4.4% of the population, which is higher than most similar areas. Additionally, 13.4% of residents are in a de facto relationship, a rate slightly above the national figure.
4.4% ▲ +9.4%
Higher than 73% of statistical area 2 (sa2) areas.
Share of people who identify as Aboriginal and/or Torres Strait Islander.
13.4% ▲ +7.2%
Higher than 68% of statistical area 2 (sa2) areas.
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
In Triabunna - Bicheno, Married is the majority at 52%; Never married is next at 26%.
Australian Bureau of Statistics. (2021). Demographics & Identity in Triabunna - Bicheno [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/603031074/triabunna-bicheno/topic/demographics-identity