Mount Dutton Bay · Suburb / Locality

Demographics & Identity in Mount Dutton Bay

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

A typical resident in Mount Dutton Bay is 57, making the area far older than both the state and national averages. This sparsely populated place has just 53 people and a high proportion of seniors.

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📍 Mount Dutton Bay, Suburb / Locality

Where Mount Dutton Bay sits — Total population

53
  • 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 Mount Dutton Bay — lower than 71% of areas.

Total population compared with the state and national average
Mount Dutton Bay53
5607, SA 5,360
South Australia 1,781,516
Australia 25,422,788

Population

How many people, and the typical age.

The typical age here is 57, which is far older than the national figure of 38. Only 53 people live in the area, making it smaller than about 71% of similar places.

53

Lower than 71% of suburb / locality areas.

  • 2016: 47
  • 2021: 53

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

57 yrs

Older than 89% of suburb / locality areas.

  • 2016: 58 yrs
  • 2021: 57 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 34% of the population, a figure far above the 17.2% national average. In contrast, children under 15 account for 17% of residents, which is about the same as the state average.

34.0%

Higher than 90% of suburb / locality areas.

  • 2016: 23.4%
  • 2021: 34.0%

Share of the population aged 65 years and over.

17.0%

Lower than 51% of suburb / locality areas.

  • 2016: 12.8%
  • 2021: 17.0%

Share of the population aged under 15 years.

Age structure

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Mount Dutton Bay splits fairly evenly between Seniors (65+) (35%) and Older adults (45–64) (33%), with Children (0–14) at 17%.

Identity & relationships

First Nations identity and marital status.

No one here identifies as Aboriginal or Torres Strait Islander, and there are no people in de facto relationships, which is far below national figures. Nearly half of the population is married, while 31.3% have never been married.

0.0%

Lower than 99% of suburb / locality areas.

  • 2016: 9.7%
  • 2021: 0.0%

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

Marital status

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In Mount Dutton Bay, Married is the majority at 52%; Never married is next at 34%.

Age & sex structure

  • 85+: 85+: 0 males; 85+: 3 females
  • 80–84: 80–84: 0 males; 80–84: 0 females
  • 75–79: 75–79: 0 males; 75–79: 0 females
  • 70–74: 70–74: 5 males; 70–74: 0 females
  • 65–69: 65–69: 7 males; 65–69: 3 females
  • 60–64: 60–64: 3 males; 60–64: 4 females
  • 55–59: 55–59: 0 males; 55–59: 4 females
  • 50–54: 50–54: 4 males; 50–54: 0 females
  • 45–49: 45–49: 0 males; 45–49: 3 females
  • 40–44: 40–44: 8 males; 40–44: 0 females
  • 35–39: 35–39: 0 males; 35–39: 0 females
  • 30–34: 30–34: 0 males; 30–34: 0 females
  • 25–29: 25–29: 0 males; 25–29: 0 females
  • 20–24: 20–24: 0 males; 20–24: 0 females
  • 15–19: 15–19: 0 males; 15–19: 0 females
  • 10–14: 10–14: 0 males; 10–14: 0 females
  • 5–9: 5–9: 0 males; 5–9: 0 females
  • 0–4: 0–4: 0 males; 0–4: 0 females

Sources

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

More for Mount Dutton Bay

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Mount Dutton Bay [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL40946/mount-dutton-bay/topic/demographics-identity