Millswood · Suburb / Locality

Demographics & Identity in Millswood

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

More than half of the 2,173 people in Millswood are married, making it a predominantly paired community. The area is noticeably older than the national average, with a typical resident aged 45. This blend of established households and a significant senior population defines the local demographic landscape.

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📍 Millswood, Suburb / Locality

Where Millswood sits — Total population

2,173 ▲ +6.4%
  • 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 Millswood — higher than 79% of areas.

Total population compared with the state and national average
Millswood2,173
5034, SA 10,148
South Australia 1,781,516
Australia 25,422,788

Population

How many people, and the typical age.

With 2,173 residents, Millswood is larger than about 81% of similar areas. The typical person living here is 45, which is noticeably older than the South Australian figure of 41.

2,173 ▲ +6.4%

Higher than 79% of suburb / locality areas.

  • 2011: 2,042
  • 2016: 2,140
  • 2021: 2,173

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

45 yrs ▲ +7.1%

Older than 50% of suburb / locality areas.

  • 2011: 42 yrs
  • 2016: 43 yrs
  • 2021: 45 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 21.8% of the population, a figure well above the Australian average of 17.2%. Children under 15 account for 17.8%, which is about the same as both the state and national figures.

21.8% ▲ +48.2%

Higher than 63% of suburb / locality areas.

  • 2011: 14.7%
  • 2016: 18.4%
  • 2021: 21.8%

Share of the population aged 65 years and over.

17.8% ▼ -9.5%

Higher than 55% of suburb / locality areas.

  • 2011: 19.6%
  • 2016: 19.2%
  • 2021: 17.8%

Share of the population aged under 15 years.

Age structure

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In Millswood, the largest group is Older adults (45–64) at 29%, followed by Seniors (65+) (22%) and Children (0–14) (18%).

Identity & relationships

First Nations identity and marital status.

People in de facto relationships make up 8.1% of the area, which is well below the national figure of 11.5%. Aboriginal and Torres Strait Islander residents account for 0.4%, a little below the state and national proportions.

0.4% ▼ -29.5%

Lower than 67% of suburb / locality areas.

  • 2011: 0.6%
  • 2016: 0.5%
  • 2021: 0.4%

Share of people who identify as Aboriginal and/or Torres Strait Islander.

8.1% ▲ +40.2%

Lower than 78% of suburb / locality areas.

  • 2011: 5.8%
  • 2016: 7.6%
  • 2021: 8.1%

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

Marital status

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In Millswood, Married is the majority at 56%; Never married is next at 31%.

Age & sex structure

  • 85+: 85+: 14 males; 85+: 20 females
  • 80–84: 80–84: 25 males; 80–84: 32 females
  • 75–79: 75–79: 50 males; 75–79: 55 females
  • 70–74: 70–74: 56 males; 70–74: 62 females
  • 65–69: 65–69: 69 males; 65–69: 70 females
  • 60–64: 60–64: 92 males; 60–64: 84 females
  • 55–59: 55–59: 65 males; 55–59: 79 females
  • 50–54: 50–54: 84 males; 50–54: 96 females
  • 45–49: 45–49: 66 males; 45–49: 82 females
  • 40–44: 40–44: 57 males; 40–44: 74 females
  • 35–39: 35–39: 35 males; 35–39: 56 females
  • 30–34: 30–34: 40 males; 30–34: 31 females
  • 25–29: 25–29: 42 males; 25–29: 57 females
  • 20–24: 20–24: 74 males; 20–24: 70 females
  • 15–19: 15–19: 72 males; 15–19: 82 females
  • 10–14: 10–14: 75 males; 10–14: 93 females
  • 5–9: 5–9: 69 males; 5–9: 61 females
  • 0–4: 0–4: 44 males; 0–4: 38 females

Sources

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

More for Millswood

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Millswood [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL40879/millswood/topic/demographics-identity