Mount Gambier · Suburb / Locality

Family & Households in Mount Gambier

How families and households are made up across the area.

Roughly 35% of homes in Mount Gambier are occupied by people living alone, the highest share among the different household types. This trend contributes to a smaller typical home size than usual, with the area seeing a higher number of single-person households compared to both the state and national figures.

Open map →
📍 Mount Gambier, Suburb / Locality

Where Mount Gambier sits — Average household size

2.2 ▼ -4.3%
  • 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 Mount Gambier — lower than 76% of areas.

Average household size compared with the state and national average
Mount Gambier2.2
5290, SA 2.2
South Australia 2.4
Australia 2.5

Households

Average household size.

A typical home in Mount Gambier holds 2.2 people, which is a little below the South Australian figure of 2.4. This is driven by the fact that 34.9% of residents live alone, a figure well above the national average of 25.6%.

2.2 ▼ -4.3%

Lower than 76% of suburb / locality areas.

  • 2011: 2.3
  • 2016: 2.3
  • 2021: 2.2

Average number of people usually resident per household.

34.9% ▲ +12.1%

Higher than 84% of suburb / locality areas.

  • 2011: 31.1%
  • 2016: 32.8%
  • 2021: 34.9%

Share of households that are a single person living alone.

Household size

View on map →

Mount Gambier splits fairly evenly between 1 person (35%) and 2 people (34%), with 3 people at 13%.

Families

Family types and one-parent families.

One-parent families make up 18.4% of the local total, which is well above the Australian figure of 14.1%. Couples with children are the most common family type at 49.5%, followed by couples without children at 31.0%.

18.4% ▲ +0.3%

Higher than 84% of suburb / locality areas.

  • 2011: 18.4%
  • 2016: 17.9%
  • 2021: 18.4%

Share of people who live in one-parent families.

Family composition

View on map →

In Mount Gambier, the largest group is Couples with children at 49%, followed by Couples without children (31%) and One-parent families (18%).

Sources

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

More for Mount Gambier

Cite this page

Australian Bureau of Statistics. (2021). Family & Households in Mount Gambier [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL40947/mount-gambier/topic/family-households