Derwent Valley · Council (LGA)

Demographics & Identity in Derwent Valley

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

A higher-than-average proportion of Aboriginal and Torres Strait Islander people live in Derwent Valley, where 6.6% of the population identifies as such. This community has grown by 13% since 2011 to reach 10,942 people. While the population is older than the national average, it mirrors the typical age profile found across Tasmania.

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📍 Derwent Valley, Council (LGA)

Where Derwent Valley sits — Total population

10,942 ▲ +12.8%
  • 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 Derwent Valley — lower than 52% of areas.

Total population compared with the state and national average
Derwent Valley10,942
Rest of Tas. 309,087
Tasmania 557,571
Australia 25,422,788

Population

How many people, and the typical age.

The typical resident is 42, which is about the same as the state figure but noticeably older than the Australian average. The total population grew by 13% between 2011 and 2021, adding about 1,238 people.

10,942 ▲ +12.8%

Lower than 52% of council (lga) areas.

  • 2011: 9,704
  • 2016: 10,021
  • 2021: 10,942

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

42 yrs ▲ +2.4%

Older than 50% of council (lga) areas.

  • 2011: 41 yrs
  • 2016: 43 yrs
  • 2021: 42 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 now make up 18.9% of the area, a figure that rose 4.4 points since 2011. Meanwhile, children under 15 account for 17.8% of the population, which is a little above the state average but has fallen since 2011.

18.9% ▲ +30.7%

Lower than 56% of council (lga) areas.

  • 2011: 14.4%
  • 2016: 18.8%
  • 2021: 18.9%

Share of the population aged 65 years and over.

17.8% ▼ -11.6%

Higher than 53% of council (lga) areas.

  • 2011: 20.2%
  • 2016: 18.8%
  • 2021: 17.8%

Share of the population aged under 15 years.

Age structure

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Derwent Valley splits fairly evenly between Older adults (45–64) (28%) and Young adults (25–44) (24%), with Seniors (65+) at 19%.

Identity & relationships

First Nations identity and marital status.

De facto relationships are much more common here than in most areas, at 16.1%. This is well above the national figure of 11.5% and has risen slightly over the last decade.

6.6% ▲ +62.6%

Higher than 66% of council (lga) areas.

  • 2011: 4.1%
  • 2016: 4.7%
  • 2021: 6.6%

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

16.1% ▲ +10.7%

Higher than 80% of council (lga) areas.

  • 2011: 14.6%
  • 2016: 14.5%
  • 2021: 16.1%

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

Marital status

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Derwent Valley splits fairly evenly between Married (41%) and Never married (39%), with Divorced at 10%.

Age & sex structure

  • 85+: 85+: 83 males; 85+: 113 females
  • 80–84: 80–84: 118 males; 80–84: 149 females
  • 75–79: 75–79: 184 males; 75–79: 178 females
  • 70–74: 70–74: 316 males; 70–74: 283 females
  • 65–69: 65–69: 308 males; 65–69: 334 females
  • 60–64: 60–64: 411 males; 60–64: 388 females
  • 55–59: 55–59: 406 males; 55–59: 386 females
  • 50–54: 50–54: 359 males; 50–54: 402 females
  • 45–49: 45–49: 354 males; 45–49: 345 females
  • 40–44: 40–44: 333 males; 40–44: 327 females
  • 35–39: 35–39: 335 males; 35–39: 350 females
  • 30–34: 30–34: 309 males; 30–34: 337 females
  • 25–29: 25–29: 301 males; 25–29: 282 females
  • 20–24: 20–24: 319 males; 20–24: 307 females
  • 15–19: 15–19: 347 males; 15–19: 317 females
  • 10–14: 10–14: 399 males; 10–14: 356 females
  • 5–9: 5–9: 320 males; 5–9: 319 females
  • 0–4: 0–4: 306 males; 0–4: 259 females

Sources

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

More for Derwent Valley

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Derwent Valley [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/lga/LGA61510/derwent-valley/topic/demographics-identity