Seisia · Suburb / Locality

Family & Households in Seisia

How families and households are made up across the area.

A higher proportion of one-parent families than most other areas defines Seisia, where 31% of families fit this description. The community sees a mix of large households and many people living alone, with the typical home holding 2.7 people.

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📍 Seisia, Suburb / Locality

Where Seisia sits — Average household size

2.7 ▼ -6.9%
  • 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 Seisia — higher than 71% of areas.

Average household size compared with the state and national average
Seisia2.7
4876, QLD 3.5
Queensland 2.5
Australia 2.5

Households

Average household size.

About 32.2% of people here live alone, which is well above the national figure of 25.6%. Despite this, the typical home holds 2.7 people, a figure slightly higher than the Queensland average of 2.5.

2.7 ▼ -6.9%

Higher than 71% of suburb / locality areas.

  • 2011: 2.9
  • 2016: 2.9
  • 2021: 2.7

Average number of people usually resident per household.

32.2% ▼ -0.2%

Higher than 77% of suburb / locality areas.

  • 2011: 32.3%
  • 2016: 31.1%
  • 2021: 32.2%

Share of households that are a single person living alone.

Household size

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In Seisia, the largest group is 1 person at 30%, followed by 2 people (25%) and 3 people (19%).

Families

Family types and one-parent families.

One-parent families make up 31% of the total, a figure far above the 14.1% seen across Australia. Couples with children are the largest group, accounting for 46.2% of families.

31.0% ▼ -4.5%

Higher than 99% of suburb / locality areas.

  • 2011: 32.4%
  • 2016: 31.4%
  • 2021: 31.0%

Share of people who live in one-parent families.

Family composition

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In Seisia, the largest group is Couples with children at 46%, followed by One-parent families (31%) and Couples without children (18%).

Sources

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

More for Seisia

Cite this page

Australian Bureau of Statistics. (2021). Family & Households in Seisia [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL32533/seisia/topic/family-households