Adelaide · Council (LGA)

Demographics & Identity in Adelaide

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

A gap of nine years separates the typical resident in Adelaide from the South Australian average, making it one of the youngest areas in the state. The population has grown by 27% since 2011 to reach 25,026 people. This youthfulness is reflected in a high number of young adults and a very low proportion of children.

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📍 Adelaide, Council (LGA)

Where Adelaide sits — Total population

25,026 ▲ +27.4%
  • 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 Adelaide — higher than 63% of areas.

Total population compared with the state and national average
Adelaide25,026
Greater Adelaide 1,387,290
South Australia 1,781,516
Australia 25,422,788

Population

How many people, and the typical age.

The typical person living here is 32, which is noticeably younger than the national figure of 38. While the population has aged slightly since 2011, it remains among the youngest at this level.

25,026 ▲ +27.4%

Higher than 63% of council (lga) areas.

  • 2011: 19,639
  • 2016: 22,063
  • 2021: 25,026

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

32 yrs ▲ +6.7%

Younger than 91% of council (lga) areas.

  • 2011: 30 yrs
  • 2016: 30 yrs
  • 2021: 32 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 just 5.8% of the population, which is far below the national figure of 18.2%. This contributes to a heavy lean toward young adults, who make up 36.9% of residents, while those aged 65 and over are well below the state average at 15.2%.

15.2% ▲ +36.1%

Lower than 73% of council (lga) areas.

  • 2011: 11.2%
  • 2016: 13.0%
  • 2021: 15.2%

Share of the population aged 65 years and over.

5.8% ▼ -0.5%

Lower than 99% of council (lga) areas.

  • 2011: 5.8%
  • 2016: 5.5%
  • 2021: 5.8%

Share of the population aged under 15 years.

Age structure

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In Adelaide, the largest group is Young adults (25–44) at 37%, followed by Youth (15–24) (24%) and Older adults (45–64) (18%).

Identity & relationships

First Nations identity and marital status.

De facto relationships are much more common here than in most areas, reaching 16.4% and sitting well above the national figure. This aligns with the area's young profile, as 59.5% of residents have never married, and the Aboriginal and Torres Strait Islander population is a little below the national average at 1.4%.

16.4% ▲ +39.3%

Higher than 82% of council (lga) areas.

  • 2011: 11.8%
  • 2016: 13.0%
  • 2021: 16.4%

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

Marital status

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In Adelaide, Never married is the majority at 60%; Married is next at 26%.

Age & sex structure

  • 85+: 85+: 154 males; 85+: 278 females
  • 80–84: 80–84: 202 males; 80–84: 240 females
  • 75–79: 75–79: 338 males; 75–79: 367 females
  • 70–74: 70–74: 551 males; 70–74: 557 females
  • 65–69: 65–69: 556 males; 65–69: 579 females
  • 60–64: 60–64: 562 males; 60–64: 540 females
  • 55–59: 55–59: 622 males; 55–59: 564 females
  • 50–54: 50–54: 597 males; 50–54: 489 females
  • 45–49: 45–49: 675 males; 45–49: 523 females
  • 40–44: 40–44: 717 males; 40–44: 636 females
  • 35–39: 35–39: 1,003 males; 35–39: 809 females
  • 30–34: 30–34: 1,339 males; 30–34: 1,155 females
  • 25–29: 25–29: 1,876 males; 25–29: 1,718 females
  • 20–24: 20–24: 2,239 males; 20–24: 2,308 females
  • 15–19: 15–19: 589 males; 15–19: 815 females
  • 10–14: 10–14: 244 males; 10–14: 232 females
  • 5–9: 5–9: 251 males; 5–9: 221 females
  • 0–4: 0–4: 257 males; 0–4: 242 females

Sources

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

More for Adelaide

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Adelaide [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/lga/LGA40070/adelaide/topic/demographics-identity