5109, SA · Postcode

Demographics & Identity in 5109, SA

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

A population of over 20,700 people lives across postcode 5109, creating a community that is slightly younger than the South Australian average. This area sees a high proportion of children and a growing number of seniors, with the typical resident now 39 years old.

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📍 5109, SA, Postcode

Where 5109, SA sits — Total population

20,748 ▲ +2.0%
  • 1–2: 1 area
  • 2–2: 0 areas
  • 2–4: 0 areas
  • 4–5: 2 areas
  • 5–8: 3 areas
  • 8–12: 2 areas
  • 12–19: 2 areas
  • 19–29: 12 areas
  • 29–44: 19 areas
  • 44–67: 35 areas
  • 67–102: 30 areas
  • 102–155: 70 areas
  • 155–237: 97 areas
  • 237–360: 129 areas
  • 360–549: 158 areas
  • 549–836: 168 areas
  • 836–1,273: 181 areas
  • 1,273–1,938: 179 areas
  • 1,938–2,951: 157 areas
  • 2,951–4,493: 179 areas
  • 4,493–6,842: 176 areas
  • 6,842–10,418: 210 areas
  • 10,418–15,865: 268 areas
  • 15,865–24,158: 254 areas
  • 24,158–36,786: 182 areas
  • 36,786–56,016: 93 areas
  • 56,016–85,299: 28 areas
  • 85,299–129,888: 8 areas

All postcode areas, 2021. The marker is 5109, SA — higher than 85% of areas.

Total population compared with the state and national average
5109, SA20,748
Salisbury 145,806
South Australia 1,781,516
Australia 25,422,788

Population

How many people, and the typical age.

The area is larger than about 85% of similar regions and grew by 2% since 2011, adding around 411 people. The typical age of residents has remained steady at 39 years over the last decade.

20,748 ▲ +2.0%

Higher than 85% of postcode areas.

  • 2011: 20,337
  • 2016: 20,856
  • 2021: 20,748

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

39 yrs → 0.0%

Younger than 71% of postcode areas.

  • 2011: 39 yrs
  • 2016: 39 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 19.1% of the population, which is higher than most areas. Meanwhile, the proportion of people aged 65 and over rose by 3.3 points since 2011 to reach 18.7%.

18.7% ▲ +21.4%

Lower than 56% of postcode areas.

  • 2011: 15.4%
  • 2016: 17.3%
  • 2021: 18.7%

Share of the population aged 65 years and over.

19.1% ▲ +3.2%

Higher than 69% of postcode areas.

  • 2011: 18.5%
  • 2016: 18.4%
  • 2021: 19.1%

Share of the population aged under 15 years.

Age structure

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5109, SA splits fairly evenly between Young adults (25–44) (26%) and Older adults (45–64) (25%), with Children (0–14) at 19%.

Identity & relationships

First Nations identity and marital status.

About 2.3% of residents are Aboriginal or Torres Strait Islander, which is about the same as the national figure. People in de facto relationships make up 10.1% of the population, a figure that is much lower than most areas.

10.1% ▼ -1.6%

Lower than 75% of postcode areas.

  • 2011: 10.3%
  • 2016: 9.9%
  • 2021: 10.1%

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

Marital status

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In 5109, SA, the largest group is Married at 44%, followed by Never married (36%) and Divorced (10%).

Age & sex structure

  • 85+: 85+: 201 males; 85+: 266 females
  • 80–84: 80–84: 242 males; 80–84: 311 females
  • 75–79: 75–79: 366 males; 75–79: 410 females
  • 70–74: 70–74: 478 males; 70–74: 557 females
  • 65–69: 65–69: 478 males; 65–69: 570 females
  • 60–64: 60–64: 633 males; 60–64: 647 females
  • 55–59: 55–59: 628 males; 55–59: 630 females
  • 50–54: 50–54: 662 males; 50–54: 620 females
  • 45–49: 45–49: 662 males; 45–49: 633 females
  • 40–44: 40–44: 650 males; 40–44: 599 females
  • 35–39: 35–39: 688 males; 35–39: 720 females
  • 30–34: 30–34: 665 males; 30–34: 681 females
  • 25–29: 25–29: 683 males; 25–29: 670 females
  • 20–24: 20–24: 615 males; 20–24: 605 females
  • 15–19: 15–19: 639 males; 15–19: 582 females
  • 10–14: 10–14: 707 males; 10–14: 659 females
  • 5–9: 5–9: 692 males; 5–9: 662 females
  • 0–4: 0–4: 640 males; 0–4: 589 females

Sources

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

More for 5109, SA

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in 5109, SA [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA5109/5109-sa/topic/demographics-identity