St Marys · Suburb / Locality

Family & Households in St Marys

How families and households are made up across the area.

Small households are the norm in St Marys (Tas.), where the typical home holds just two people. This is well below the national figure of 2.5, reflecting a community with a very high proportion of people living on their own.

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📍 St Marys, Suburb / Locality

Where St Marys sits — Average household size

2.0 ▼ -9.1%
  • 1.5–1.6: 490 areas
  • 1.6–1.8: 168 areas
  • 1.8–1.9: 642 areas
  • 1.9–2.1: 816 areas
  • 2.1–2.2: 1854 areas
  • 2.2–2.4: 1319 areas
  • 2.4–2.5: 2753 areas
  • 2.5–2.7: 1349 areas
  • 2.7–2.8: 2332 areas
  • 2.8–3.0: 805 areas
  • 3.0–3.1: 1044 areas
  • 3.1–3.3: 289 areas
  • 3.3–3.4: 386 areas
  • 3.4–3.6: 110 areas
  • 3.6–3.7: 85 areas
  • 3.7–3.9: 40 areas
  • 3.9–4.0: 258 areas

All suburb / locality areas, 2021. The marker is St Marys — lower than 86% of areas.

Average household size compared with the state and national average
St Marys2.0
7215, TAS 2.1
Tasmania 2.4
Australia 2.5

Households

Average household size.

About 34.3% of residents live alone, which is much higher than most areas and well above the national figure of 25.6%. This helps explain why the usual household size of 2.0 people is well below the Australian average.

2.0 ▼ -9.1%

Lower than 86% of suburb / locality areas.

  • 2011: 2.2
  • 2016: 2.0
  • 2021: 2.0

Average number of people usually resident per household.

34.3% ▲ +3.2%

Higher than 83% of suburb / locality areas.

  • 2011: 33.2%
  • 2016: 33.3%
  • 2021: 34.3%

Share of households that are a single person living alone.

Household size

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In St Marys, the largest group is 2 people at 42%, followed by 1 person (34%) and 3 people (11%).

Families

Family types and one-parent families.

Couples without children make up nearly half of all families at 48.2%. One-parent families account for 13.6% of the total, a figure that is higher than most similar areas.

13.6% ▼ -30.2%

Higher than 66% of suburb / locality areas.

  • 2011: 19.5%
  • 2016: 13.6%
  • 2021: 13.6%

Share of people who live in one-parent families.

Family composition

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In St Marys, the largest group is Couples without children at 48%, followed by Couples with children (38%) and One-parent families (14%).

Sources

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

More for St Marys

Cite this page

Australian Bureau of Statistics. (2021). Family & Households in St Marys [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL60634/st-marys/topic/family-households