Peterborough · Suburb / Locality

Family & Households in Peterborough

How families and households are made up across the area.

Nearly half of all homes in Peterborough are occupied by a single person, a figure far above the national average. This creates a distinct domestic landscape where small households are the norm. The area is marked by a high proportion of people living alone and a significant number of single-parent families.

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📍 Peterborough, Suburb / Locality

Where Peterborough sits — Average household size

1.8 ▼ -10.0%
  • 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 Peterborough — lower than 91% of areas.

Average household size compared with the state and national average
Peterborough1.8
5422, SA 1.9
South Australia 2.4
Australia 2.5

Households

Average household size.

A small household size is common here, with only 1.8 people per home, which is well below the national figure of 2.5. This is reflected in the 46.7% of residents who live alone, a rate far above the 25.6% seen across Australia.

1.8 ▼ -10.0%

Lower than 91% of suburb / locality areas.

  • 2011: 2.0
  • 2016: 1.9
  • 2021: 1.8

Average number of people usually resident per household.

46.7% ▲ +10.1%

Higher than 98% of suburb / locality areas.

  • 2011: 42.4%
  • 2016: 43.2%
  • 2021: 46.7%

Share of households that are a single person living alone.

Household size

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In Peterborough, the largest group is 1 person at 47%, followed by 2 people (37%) and 3 people (7%).

Families

Family types and one-parent families.

One-parent families make up 25.5% of the local total, which is far above the 14.1% average for Australia. In contrast, couples without children are the most common family type at 43.1%.

25.5% ▼ -0.2%

Higher than 93% of suburb / locality areas.

  • 2011: 25.6%
  • 2016: 26.8%
  • 2021: 25.5%

Share of people who live in one-parent families.

Family composition

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In Peterborough, the largest group is Couples without children at 43%, followed by Couples with children (30%) and One-parent families (25%).

Sources

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

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Cite this page

Australian Bureau of Statistics. (2021). Family & Households in Peterborough [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL41143/peterborough/topic/family-households