Aldinga Beach · Suburb / Locality

Demographics & Identity in Aldinga Beach

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

More than 20% of the population are children under 15, making Aldinga Beach a notably young-leaning area. With a total of 10,667 people, it is one of the largest communities at this level in the region. The typical resident is 39 years old, which is slightly younger than the state average.

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📍 Aldinga Beach, Suburb / Locality

Where Aldinga Beach sits — Total population

10,667 ▲ +10.0%
  • 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 Aldinga Beach — higher than 87% of areas.

Total population compared with the state and national average
Aldinga Beach10,667
5173, SA 13,213
South Australia 1,781,516
Australia 25,422,788

Population

How many people, and the typical age.

Aldinga Beach has a population of 10,667, placing it among the largest areas of its kind. Residents are slightly older than the national average but a little younger than those across South Australia.

10,667 ▲ +10.0%

Higher than 87% of suburb / locality areas.

  • 2011: 9,697
  • 2016: 10,557
  • 2021: 10,667

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

39 yrs ▲ +21.9%

Younger than 74% of suburb / locality areas.

  • 2011: 32 yrs
  • 2016: 35 yrs
  • 2021: 39 yrs

Half the population is older than this age, and half younger.

Age profile

How the population splits across age groups.

Children under 15 make up 20.8% of the population, which is well above the state and national figures. Seniors aged 65 and over account for 18.4%, a figure that sits around the middle for similar areas.

18.4% ▲ +70.2%

Lower than 52% of suburb / locality areas.

  • 2011: 10.8%
  • 2016: 14.1%
  • 2021: 18.4%

Share of the population aged 65 years and over.

20.8% ▼ -17.2%

Higher than 74% of suburb / locality areas.

  • 2011: 25.1%
  • 2016: 24.2%
  • 2021: 20.8%

Share of the population aged under 15 years.

Age structure

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Aldinga Beach splits fairly evenly between Young adults (25–44) (25%) and Older adults (45–64) (24%), with Children (0–14) at 21%.

Identity & relationships

First Nations identity and marital status.

De facto relationships are more common here than in most areas, at 14.7%, which is well above the national figure. Around 2.5% of residents identify as Aboriginal and Torres Strait Islander, which is about the same as the state average.

2.5% ▲ +40.3%

Higher than 56% of suburb / locality areas.

  • 2011: 1.8%
  • 2016: 1.7%
  • 2021: 2.5%

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

14.7% ▼ -14.1%

Higher than 69% of suburb / locality areas.

  • 2011: 17.1%
  • 2016: 14.2%
  • 2021: 14.7%

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

Marital status

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In Aldinga Beach, the largest group is Married at 42%, followed by Never married (37%) and Divorced (12%).

Age & sex structure

  • 85+: 85+: 81 males; 85+: 131 females
  • 80–84: 80–84: 119 males; 80–84: 125 females
  • 75–79: 75–79: 176 males; 75–79: 201 females
  • 70–74: 70–74: 248 males; 70–74: 294 females
  • 65–69: 65–69: 270 males; 65–69: 292 females
  • 60–64: 60–64: 276 males; 60–64: 329 females
  • 55–59: 55–59: 321 males; 55–59: 353 females
  • 50–54: 50–54: 336 males; 50–54: 328 females
  • 45–49: 45–49: 310 males; 45–49: 367 females
  • 40–44: 40–44: 283 males; 40–44: 392 females
  • 35–39: 35–39: 360 males; 35–39: 410 females
  • 30–34: 30–34: 305 males; 30–34: 333 females
  • 25–29: 25–29: 272 males; 25–29: 282 females
  • 20–24: 20–24: 304 males; 20–24: 266 females
  • 15–19: 15–19: 343 males; 15–19: 332 females
  • 10–14: 10–14: 414 males; 10–14: 393 females
  • 5–9: 5–9: 403 males; 5–9: 410 females
  • 0–4: 0–4: 318 males; 0–4: 288 females

Sources

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

More for Aldinga Beach

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Aldinga Beach [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL40010/aldinga-beach/topic/demographics-identity