5172, SA · Postcode

Demographics & Identity in 5172, SA

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

A typical resident in postcode 5172 is far older than the Australian average, with a typical age of 47. The population has grown to 4,189 people, but the community is ageing quickly as the number of seniors has climbed significantly over the last decade.

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📍 5172, SA, Postcode

Where 5172, SA sits — Total population

4,189 ▲ +7.0%
  • 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 5172, SA — higher than 51% of areas.

Total population compared with the state and national average
5172, SA4,189
Alexandrina 28,730
South Australia 1,781,516
Australia 25,422,788

Population

How many people, and the typical age.

The population grew by 7% since 2011, adding about 275 people. Residents here are noticeably older than those in the rest of South Australia, and the typical age has risen by 4 years since 2011.

4,189 ▲ +7.0%

Higher than 51% of postcode areas.

  • 2011: 3,914
  • 2016: 3,932
  • 2021: 4,189

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

47 yrs ▲ +9.3%

Older than 71% of postcode areas.

  • 2011: 43 yrs
  • 2016: 44 yrs
  • 2021: 47 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 21.5% of the area, which is well above the national figure. This group rose by 6.4 percentage points since 2011, while the proportion of children under 15 fell slightly to 17.3%.

21.5% ▲ +42.6%

Higher than 61% of postcode areas.

  • 2011: 15.1%
  • 2016: 17.9%
  • 2021: 21.5%

Share of the population aged 65 years and over.

17.3% ▼ -11.5%

Lower than 51% of postcode areas.

  • 2011: 19.5%
  • 2016: 18.0%
  • 2021: 17.3%

Share of the population aged under 15 years.

Age structure

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In 5172, SA, the largest group is Older adults (45–64) at 31%, followed by Seniors (65+) (22%) and Young adults (25–44) (19%).

Identity & relationships

First Nations identity and marital status.

De facto relationships are more common here than in most areas, rising to 14.2% since 2011. Aboriginal and Torres Strait Islander people make up 1.1% of the population, which is a little below the state and national figures.

14.2% ▲ +44.8%

Higher than 71% of postcode areas.

  • 2011: 9.8%
  • 2016: 12.4%
  • 2021: 14.2%

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

Marital status

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In 5172, SA, Married is the majority at 54%; Never married is next at 29%.

Age & sex structure

  • 85+: 85+: 34 males; 85+: 40 females
  • 80–84: 80–84: 48 males; 80–84: 59 females
  • 75–79: 75–79: 82 males; 75–79: 79 females
  • 70–74: 70–74: 123 males; 70–74: 128 females
  • 65–69: 65–69: 161 males; 65–69: 145 females
  • 60–64: 60–64: 161 males; 60–64: 181 females
  • 55–59: 55–59: 175 males; 55–59: 153 females
  • 50–54: 50–54: 166 males; 50–54: 182 females
  • 45–49: 45–49: 154 males; 45–49: 150 females
  • 40–44: 40–44: 127 males; 40–44: 162 females
  • 35–39: 35–39: 105 males; 35–39: 99 females
  • 30–34: 30–34: 75 males; 30–34: 91 females
  • 25–29: 25–29: 66 males; 25–29: 81 females
  • 20–24: 20–24: 107 males; 20–24: 90 females
  • 15–19: 15–19: 133 males; 15–19: 124 females
  • 10–14: 10–14: 139 males; 10–14: 130 females
  • 5–9: 5–9: 142 males; 5–9: 138 females
  • 0–4: 0–4: 100 males; 0–4: 76 females

Sources

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

More for 5172, SA

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in 5172, SA [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA5172/5172-sa/topic/demographics-identity