Oatley · Suburb / Locality

Demographics & Identity in Oatley

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

Among similar areas, Oatley is one of the largest local populations with 10,664 residents. The community is noticeably older than the national figure, with a typical resident aged 43. This trend is reflected in the high proportion of seniors and established married couples living here.

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📍 Oatley, Suburb / Locality

Where Oatley sits — Total population

10,664 ▲ +5.6%
  • 1–1: 689 areas
  • 1–2: 0 areas
  • 2–3: 119 areas
  • 3–5: 108 areas
  • 5–7: 243 areas
  • 7–11: 241 areas
  • 11–16: 514 areas
  • 16–24: 579 areas
  • 24–36: 898 areas
  • 36–53: 1059 areas
  • 53–79: 1168 areas
  • 79–117: 1203 areas
  • 117–174: 1171 areas
  • 174–258: 1010 areas
  • 258–384: 856 areas
  • 384–571: 670 areas
  • 571–850: 616 areas
  • 850–1,263: 567 areas
  • 1,263–1,879: 520 areas
  • 1,879–2,794: 590 areas
  • 2,794–4,154: 679 areas
  • 4,154–6,177: 585 areas
  • 6,177–9,186: 528 areas
  • 9,186–13,659: 405 areas
  • 13,659–20,311: 195 areas
  • 20,311–30,202: 96 areas
  • 30,202–44,910: 33 areas
  • 44,910–66,781: 10 areas

All suburb / locality areas, 2021. The marker is Oatley — higher than 87% of areas.

Total population compared with the state and national average
Oatley10,664
2223, NSW 21,403
New South Wales 8,072,163
Australia 25,422,788

Population

How many people, and the typical age.

The typical resident in Oatley is 43, which is noticeably older than people in New South Wales and Australia. With 10,664 residents, it is among the largest areas at this level.

10,664 ▲ +5.6%

Higher than 87% of suburb / locality areas.

  • 2011: 10,098
  • 2016: 10,486
  • 2021: 10,664

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

43 yrs ▲ +4.9%

Younger than 57% of suburb / locality areas.

  • 2011: 41 yrs
  • 2016: 42 yrs
  • 2021: 43 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 20.2% of the population, which is well above the Australian figure. Children under 15 account for 18.5%, a rate that is about the same as the state and national averages.

20.2% ▲ +18.9%

Higher than 57% of suburb / locality areas.

  • 2011: 17.0%
  • 2016: 17.8%
  • 2021: 20.2%

Share of the population aged 65 years and over.

18.5% ▼ -0.9%

Higher than 60% of suburb / locality areas.

  • 2011: 18.7%
  • 2016: 18.9%
  • 2021: 18.5%

Share of the population aged under 15 years.

Age structure

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In Oatley, the largest group is Older adults (45–64) at 27%, followed by Young adults (25–44) (22%) and Seniors (65+) (20%).

Identity & relationships

First Nations identity and marital status.

Married couples are common here at 57.8%, while those in de facto relationships are at 6.4%, which is well below the national figure. People of Aboriginal and Torres Strait Islander descent make up 0.8% of the population, a little below the state and national averages.

6.4% ▲ +14.8%

Lower than 86% of suburb / locality areas.

  • 2011: 5.6%
  • 2016: 6.3%
  • 2021: 6.4%

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

Marital status

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In Oatley, Married is the majority at 58%; Never married is next at 29%.

Age & sex structure

  • 85+: 85+: 99 males; 85+: 191 females
  • 80–84: 80–84: 109 males; 80–84: 141 females
  • 75–79: 75–79: 205 males; 75–79: 206 females
  • 70–74: 70–74: 261 males; 70–74: 300 females
  • 65–69: 65–69: 312 males; 65–69: 326 females
  • 60–64: 60–64: 366 males; 60–64: 380 females
  • 55–59: 55–59: 332 males; 55–59: 358 females
  • 50–54: 50–54: 343 males; 50–54: 372 females
  • 45–49: 45–49: 360 males; 45–49: 411 females
  • 40–44: 40–44: 331 males; 40–44: 363 females
  • 35–39: 35–39: 369 males; 35–39: 365 females
  • 30–34: 30–34: 201 males; 30–34: 256 females
  • 25–29: 25–29: 258 males; 25–29: 207 females
  • 20–24: 20–24: 300 males; 20–24: 288 females
  • 15–19: 15–19: 357 males; 15–19: 317 females
  • 10–14: 10–14: 352 males; 10–14: 373 females
  • 5–9: 5–9: 380 males; 5–9: 344 females
  • 0–4: 0–4: 280 males; 0–4: 248 females

Sources

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

More for Oatley

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Oatley [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL13075/oatley/topic/demographics-identity