5155, SA · Postcode

Demographics & Identity in 5155, SA

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

About 225 more people have called postcode 5155 home since 2011, with the population growing by 6.0%. This shift has seen the typical resident age climb to 41 years, making the area noticeably older than the national figure.

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📍 5155, SA, Postcode

Where 5155, SA sits — Total population

3,994 ▲ +6.0%
  • 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 5155, SA — higher than 50% of areas.

Total population compared with the state and national average
5155, SA3,994
Adelaide Hills 40,879
South Australia 1,781,516
Australia 25,422,788

Population

How many people, and the typical age.

The population has reached 3,994 people. The typical resident is now 41, which is about the same as the South Australian average but 3 years older than the typical person across Australia.

3,994 ▲ +6.0%

Higher than 50% of postcode areas.

  • 2011: 3,769
  • 2016: 3,824
  • 2021: 3,994

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

41 yrs ▲ +5.1%

Younger than 57% of postcode areas.

  • 2011: 39 yrs
  • 2016: 41 yrs
  • 2021: 41 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 21.5% of the population, which is well above both the state and national figures. Meanwhile, the proportion of seniors aged 65 and over is 16.2%, a figure that is well below the state average but has risen by 5.9 points since 2011.

16.2% ▲ +57.6%

Lower than 70% of postcode areas.

  • 2011: 10.3%
  • 2016: 13.4%
  • 2021: 16.2%

Share of the population aged 65 years and over.

21.5% ▲ +3.7%

Higher than 86% of postcode areas.

  • 2011: 20.7%
  • 2016: 21.2%
  • 2021: 21.5%

Share of the population aged under 15 years.

Age structure

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5155, SA splits fairly evenly between Older adults (45–64) (29%) and Young adults (25–44) (24%), with Children (0–14) at 21%.

Identity & relationships

First Nations identity and marital status.

Couples in de facto relationships make up 14.4% of the area, which is well above the state average. Indigenous people represent 0.6% of the population, a figure that is much lower than most similar areas.

14.4% ▲ +27.8%

Higher than 72% of postcode areas.

  • 2011: 11.3%
  • 2016: 11.9%
  • 2021: 14.4%

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

Marital status

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In 5155, SA, the largest group is Married at 49%, followed by Never married (34%) and Divorced (10%).

Age & sex structure

  • 85+: 85+: 17 males; 85+: 23 females
  • 80–84: 80–84: 25 males; 80–84: 25 females
  • 75–79: 75–79: 55 males; 75–79: 53 females
  • 70–74: 70–74: 97 males; 70–74: 104 females
  • 65–69: 65–69: 117 males; 65–69: 124 females
  • 60–64: 60–64: 130 males; 60–64: 131 females
  • 55–59: 55–59: 125 males; 55–59: 131 females
  • 50–54: 50–54: 147 males; 50–54: 142 females
  • 45–49: 45–49: 153 males; 45–49: 173 females
  • 40–44: 40–44: 144 males; 40–44: 136 females
  • 35–39: 35–39: 129 males; 35–39: 166 females
  • 30–34: 30–34: 112 males; 30–34: 119 females
  • 25–29: 25–29: 63 males; 25–29: 76 females
  • 20–24: 20–24: 90 males; 20–24: 71 females
  • 15–19: 15–19: 124 males; 15–19: 129 females
  • 10–14: 10–14: 147 males; 10–14: 163 females
  • 5–9: 5–9: 143 males; 5–9: 149 females
  • 0–4: 0–4: 146 males; 0–4: 108 females

Sources

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

More for 5155, SA

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in 5155, SA [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA5155/5155-sa/topic/demographics-identity