Unanderra · Suburb / Locality

Demographics & Identity in Unanderra

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

Nearly a quarter of residents in Unanderra are seniors, which is well above the national figure. This creates a population that is noticeably older than the typical Australian, with a total of 5,476 people living in the area.

Open map →
📍 Unanderra, Suburb / Locality

Where Unanderra sits — Total population

5,476 ▼ -3.5%
  • 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 Unanderra — higher than 86% of areas.

Total population compared with the state and national average
Unanderra5,476
2526, NSW 16,736
New South Wales 8,072,163
Australia 25,422,788

Population

How many people, and the typical age.

The typical resident is 42 years old, making the population noticeably older than both the state and national averages. The total population is larger than about 91% of similar areas.

5,476 ▼ -3.5%

Higher than 86% of suburb / locality areas.

  • 2011: 5,675
  • 2016: 5,434
  • 2021: 5,476

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

42 yrs ▲ +2.4%

Younger than 62% of suburb / locality 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 make up 24.7% of the community, a figure well above the New South Wales average of 17.6%. In contrast, children under 15 make up 16.9%, which is a little below the national figure.

24.7% ▲ +12.5%

Higher than 74% of suburb / locality areas.

  • 2011: 22.0%
  • 2016: 24.1%
  • 2021: 24.7%

Share of the population aged 65 years and over.

16.9% ▼ -11.4%

Lower than 52% of suburb / locality areas.

  • 2011: 19.0%
  • 2016: 17.2%
  • 2021: 16.9%

Share of the population aged under 15 years.

Age structure

View on map →

Unanderra splits fairly evenly between Seniors (65+) (25%) and Young adults (25–44) (25%), with Older adults (45–64) at 22%.

Identity & relationships

First Nations identity and marital status.

Aboriginal and Torres Strait Islander people make up 4.6% of the population, which is a little above the national average. About 38.6% of residents are married, and 11.2% are in a de facto relationship.

4.6% ▲ +41.9%

Higher than 71% of suburb / locality areas.

  • 2011: 3.2%
  • 2016: 3.2%
  • 2021: 4.6%

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

11.2% ▲ +41.8%

Lower than 59% of suburb / locality areas.

  • 2011: 7.9%
  • 2016: 9.7%
  • 2021: 11.2%

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

Marital status

View on map →

Unanderra splits fairly evenly between Married (39%) and Never married (37%), with Divorced at 11%.

Age & sex structure

  • 85+: 85+: 101 males; 85+: 216 females
  • 80–84: 80–84: 73 males; 80–84: 133 females
  • 75–79: 75–79: 104 males; 75–79: 139 females
  • 70–74: 70–74: 125 males; 70–74: 137 females
  • 65–69: 65–69: 144 males; 65–69: 191 females
  • 60–64: 60–64: 137 males; 60–64: 185 females
  • 55–59: 55–59: 141 males; 55–59: 147 females
  • 50–54: 50–54: 144 males; 50–54: 152 females
  • 45–49: 45–49: 137 males; 45–49: 167 females
  • 40–44: 40–44: 150 males; 40–44: 141 females
  • 35–39: 35–39: 155 males; 35–39: 168 females
  • 30–34: 30–34: 153 males; 30–34: 188 females
  • 25–29: 25–29: 207 males; 25–29: 178 females
  • 20–24: 20–24: 159 males; 20–24: 149 females
  • 15–19: 15–19: 172 males; 15–19: 151 females
  • 10–14: 10–14: 164 males; 10–14: 148 females
  • 5–9: 5–9: 144 males; 5–9: 148 females
  • 0–4: 0–4: 167 males; 0–4: 152 females

Sources

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

More for Unanderra

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Unanderra [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL14026/unanderra/topic/demographics-identity