Triabunna - Bicheno · Statistical Area 2 (SA2)

Demographics & Identity in Triabunna - Bicheno

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.

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📍 Triabunna - Bicheno, Statistical Area 2 (SA2)

Where Triabunna - Bicheno sits — Total population

4,988 ▲ +19.8%
  • 1–1: 40 areas
  • 1–2: 0 areas
  • 2–3: 0 areas
  • 3–4: 12 areas
  • 4–6: 6 areas
  • 6–9: 9 areas
  • 9–13: 10 areas
  • 13–19: 7 areas
  • 19–27: 17 areas
  • 27–39: 6 areas
  • 39–56: 5 areas
  • 56–81: 4 areas
  • 81–116: 1 area
  • 116–168: 5 areas
  • 168–242: 3 areas
  • 242–349: 4 areas
  • 349–503: 2 areas
  • 503–725: 9 areas
  • 725–1,045: 3 areas
  • 1,045–1,506: 5 areas
  • 1,506–2,171: 31 areas
  • 2,171–3,130: 83 areas
  • 3,130–4,513: 217 areas
  • 4,513–6,507: 318 areas
  • 6,507–9,382: 402 areas
  • 9,382–13,526: 546 areas
  • 13,526–19,501: 496 areas
  • 19,501–28,116: 231 areas

All statistical area 2 (sa2) areas, 2021. The marker is Triabunna - Bicheno — lower than 78% of areas.

Total population compared with the state and national average
Triabunna - Bicheno4,988
7210, TAS 1,076
Tasmania 557,571
Australia 25,422,788

Population

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.

  • 2011: 4,164
  • 2016: 4,375
  • 2021: 4,988

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.

  • 2011: 53 yrs
  • 2016: 56 yrs
  • 2021: 57 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 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.

  • 2011: 26.0%
  • 2016: 32.0%
  • 2021: 34.1%

Share of the population aged 65 years and over.

9.9% ▼ -29.7%

Lower than 93% of statistical area 2 (sa2) areas.

  • 2011: 14.1%
  • 2016: 12.1%
  • 2021: 9.9%

Share of the population aged under 15 years.

Age structure

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Triabunna - Bicheno splits fairly evenly between Seniors (65+) (34%) and Older adults (45–64) (31%), with Young adults (25–44) at 20%.

Identity & relationships

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.

  • 2011: 4.0%
  • 2016: 4.9%
  • 2021: 4.4%

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.

  • 2011: 12.5%
  • 2016: 12.7%
  • 2021: 13.4%

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

Marital status

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In Triabunna - Bicheno, Married is the majority at 52%; Never married is next at 26%.

Age & sex structure

  • 85+: 85+: 68 males; 85+: 65 females
  • 80–84: 80–84: 93 males; 80–84: 84 females
  • 75–79: 75–79: 182 males; 75–79: 145 females
  • 70–74: 70–74: 267 males; 70–74: 244 females
  • 65–69: 65–69: 272 males; 65–69: 277 females
  • 60–64: 60–64: 273 males; 60–64: 271 females
  • 55–59: 55–59: 197 males; 55–59: 218 females
  • 50–54: 50–54: 161 males; 50–54: 156 females
  • 45–49: 45–49: 121 males; 45–49: 115 females
  • 40–44: 40–44: 106 males; 40–44: 111 females
  • 35–39: 35–39: 126 males; 35–39: 118 females
  • 30–34: 30–34: 129 males; 30–34: 129 females
  • 25–29: 25–29: 130 males; 25–29: 130 females
  • 20–24: 20–24: 93 males; 20–24: 55 females
  • 15–19: 15–19: 87 males; 15–19: 66 females
  • 10–14: 10–14: 81 males; 10–14: 92 females
  • 5–9: 5–9: 94 males; 5–9: 68 females
  • 0–4: 0–4: 79 males; 0–4: 70 females

Sources

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

More for Triabunna - Bicheno

Cite this page

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