Suburb in Mount Barker

Biggs Flat, SA

Biggs Flat had a population of 84 at the 2021 Census (+1.2% since 2016). Median age 43.0. Median weekly household income $1,625. Source: ABS Census 2021, via Censible. Census 2026 data arrives June 2027.

Biggs Flat at a glance

What the 2021 Census says, compared with South Australia.

In Adelaide - Central and Hills

Between the 2016 and 2021 censuses, Biggs Flat's population grew by 1.2% to 84, slower than South Australia as a whole (+6.3%). With a median age of 43.0, it is older than the SA average (41.0). Children under 10 make up 13.1% of residents, and people aged 70 and over 0.0%.

0.0% of households rent, a smaller share than the SA average of 27.9%. 24.1% own their home outright. Almost every home is a house; flats and apartments are 0.0% of homes. The 2021 Census counted 29 households.

The median household earns $1,625 a week, above the SA average of $1,455.

13.9% of residents were born overseas, fewer than the SA average of 25.2%. 4.2% use a language other than English at home. 58.9% report no religion, higher than the SA average (48.9%).

Key figures

2021 Census, Biggs Flat beside SA and Australia.

MeasureBiggs FlatSAAustralia
Population841,781,51625,422,788
Growth since 2016+1.2%+6.3%+8.6%
Median age43.041.038.0
Households29691,3139,275,217
Flats and apartments0.0%6.8%14.3%
Renting0.0%27.9%31.1%
Owned outright24.1%33.3%31.4%
Median household income a week$1,625$1,455$1,746
Median rent a week–$300$375
Median mortgage repayment a month$2,980$1,500$1,863
Born overseas13.9%25.2%29.3%
Other language at home4.2%18.7%23.6%
No religion58.9%48.9%41.9%

Source: ABS Census 2021, via Censible. How the figures are built

Population and age

Each census since 2011, and the age profile in 2021.

Population

+1.2% since 2016.

Population · each census
  1. 782011
  2. 832016
  3. 842021

Age

Median age 43.0, against 41.0 for South Australia.

Biggs Flat South Australia
Share of people by age, Biggs Flat and South Australia
0–913.1%
10–1913.1%
20–299.5%
30–399.5%
40–494.8%
50–5916.7%
60–6920.2%
70–790.0%
80+0.0%

Source: ABS Census 2021, via Censible. How the figures are built

Cultural background

The largest groups in Biggs Flat at the 2021 Census.

Ancestry

Top 5 · ancestry
  1. Australian46.6%
  2. English42.5%
  3. German9.6%
  4. Scottish6.8%
  5. Dutch5.5%

Languages at home

Top 5 · languages at home
  1. Afrikaans5.5%

Country of birth

Top 5 · country of birth
  1. South Africa5.5%
  2. New Zealand4.1%

Source: ABS Census 2021, via Censible. How the figures are built

Around Biggs Flat

The places it belongs to, sits beside and contains.

Explore Biggs Flat in Censible

Every census figure for Biggs Flat, mapped and compared with any other place. A free account takes a minute.