Gretna · Suburb / Locality

Family & Households in Gretna

How families and households are made up across the area.

Larger living arrangements define daily life in Gretna, where the typical home holds 2.8 people. This is much higher than most similar areas and sits above both the state and national figures. This trend is driven by a high proportion of families with children living together.

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📍 Gretna, Suburb / Locality

Where Gretna sits — Average household size

2.8
  • 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 Gretna — higher than 76% of areas.

Average household size compared with the state and national average
Gretna2.8
7140, TAS 2.4
Tasmania 2.4
Australia 2.5

Households

Average household size.

Most households have two people (37.2%), while those living alone make up 25.6% of the total. This share of single-person homes is well below the Tasmanian figure of 29.0%.

2.8

Higher than 76% of suburb / locality areas.

  • 2016: 2.6
  • 2021: 2.8

Average number of people usually resident per household.

25.6%

Higher than 57% of suburb / locality areas.

  • 2016: 9.5%
  • 2021: 25.6%

Share of households that are a single person living alone.

Household size

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In Gretna, the largest group is 2 people at 35%, followed by 1 person (24%) and 3 people (12%).

Families

Family types and one-parent families.

Over half of families are couples with children (51.4%). One-parent families make up 19.5% of the total, which is much higher than most areas and well above the Australian figure of 14.1%.

19.5%

Higher than 86% of suburb / locality areas.

  • 2016: 11.7%
  • 2021: 19.5%

Share of people who live in one-parent families.

Family composition

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In Gretna, Couples with children is the majority at 52%; Couples without children is next at 26%.

Sources

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

More for Gretna

Cite this page

Australian Bureau of Statistics. (2021). Family & Households in Gretna [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL60252/gretna/topic/family-households