Terrey Hills - Duffys Forest · Statistical Area 2 (SA2)

Demographics & Identity in Terrey Hills - Duffys Forest

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

More than half of the 3,786 people in Terrey Hills - Duffys Forest are married, reflecting a mature community. The area is far older than the national average, with the typical resident now 47 years old. This age gap has widened over the last decade, as the population has grown by 7.1%.

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📍 Terrey Hills - Duffys Forest, Statistical Area 2 (SA2)

Where Terrey Hills - Duffys Forest sits — Total population

3,786 ▲ +7.1%
  • 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 Terrey Hills - Duffys Forest — lower than 85% of areas.

Total population compared with the state and national average
Terrey Hills - Duffys Forest3,786
2084, NSW 3,759
New South Wales 8,072,163
Australia 25,422,788

Population

How many people, and the typical age.

The typical resident is 47, which is far older than the national figure of 38. This age has climbed by 6 years since 2011, making the area much older than most similar places.

3,786 ▲ +7.1%

Lower than 85% of statistical area 2 (sa2) areas.

  • 2011: 3,534
  • 2016: 3,646
  • 2021: 3,786

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

47 yrs ▲ +14.6%

Older than 84% of statistical area 2 (sa2) areas.

  • 2011: 41 yrs
  • 2016: 44 yrs
  • 2021: 47 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 23.3% of the population, which is well above the national figure of 17.2%. This group has grown by 7.7 percentage points since 2011, while the proportion of children under 15 has fallen to 17.8%.

23.3% ▲ +48.9%

Higher than 81% of statistical area 2 (sa2) areas.

  • 2011: 15.7%
  • 2016: 19.2%
  • 2021: 23.3%

Share of the population aged 65 years and over.

17.8% ▼ -14.4%

Lower than 51% of statistical area 2 (sa2) areas.

  • 2011: 20.8%
  • 2016: 19.6%
  • 2021: 17.8%

Share of the population aged under 15 years.

Age structure

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In Terrey Hills - Duffys Forest, the largest group is Older adults (45–64) at 30%, followed by Seniors (65+) (23%) and Children (0–14) (18%).

Identity & relationships

First Nations identity and marital status.

Aboriginal and Torres Strait Islander people make up only 0.3% of the population, which is well below the New South Wales figure. Additionally, those in de facto relationships are much less common here than in most other areas, at just 7.0%.

0.3% ▲ +14.2%

Lower than 96% of statistical area 2 (sa2) areas.

  • 2011: 0.3%
  • 2016: 0.7%
  • 2021: 0.3%

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

7.0% ▲ +34.1%

Lower than 88% of statistical area 2 (sa2) areas.

  • 2011: 5.2%
  • 2016: 6.6%
  • 2021: 7.0%

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

Marital status

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In Terrey Hills - Duffys Forest, Married is the majority at 58%; Never married is next at 28%.

Age & sex structure

  • 85+: 85+: 58 males; 85+: 82 females
  • 80–84: 80–84: 53 males; 80–84: 48 females
  • 75–79: 75–79: 110 males; 75–79: 103 females
  • 70–74: 70–74: 105 males; 70–74: 122 females
  • 65–69: 65–69: 115 males; 65–69: 99 females
  • 60–64: 60–64: 124 males; 60–64: 133 females
  • 55–59: 55–59: 133 males; 55–59: 141 females
  • 50–54: 50–54: 157 males; 50–54: 164 females
  • 45–49: 45–49: 151 males; 45–49: 140 females
  • 40–44: 40–44: 87 males; 40–44: 124 females
  • 35–39: 35–39: 86 males; 35–39: 76 females
  • 30–34: 30–34: 59 males; 30–34: 65 females
  • 25–29: 25–29: 72 males; 25–29: 51 females
  • 20–24: 20–24: 121 males; 20–24: 96 females
  • 15–19: 15–19: 133 males; 15–19: 130 females
  • 10–14: 10–14: 161 males; 10–14: 109 females
  • 5–9: 5–9: 127 males; 5–9: 115 females
  • 0–4: 0–4: 84 males; 0–4: 67 females

Sources

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

More for Terrey Hills - Duffys Forest

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Terrey Hills - Duffys Forest [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/122031432/terrey-hills-duffys-forest/topic/demographics-identity