Suburb in Onkaparinga

Noarlunga Downs, SA

Noarlunga Downs had a population of 4,031 at the 2021 Census (+4.8% since 2016). Median age 39.0. Median weekly household income $1,189. Source: ABS Census 2021, via Censible. Census 2026 data arrives June 2027.

Noarlunga Downs at a glance

What the 2021 Census says, compared with South Australia.

In Adelaide - South

Between the 2016 and 2021 censuses, Noarlunga Downs's population grew by 4.8% to 4,031, slower than South Australia as a whole (+6.3%). With a median age of 39.0, it is younger than the SA average (41.0). Children under 10 make up 12.4% of residents, and people aged 70 and over 12.7%.

32.9% of households rent, a larger share than the SA average of 27.9%. 20.7% own their home outright. Almost every home is a house; flats and apartments are 4.0% of homes. The 2021 Census counted 1,668 households.

The median household earns $1,189 a week, below the SA average of $1,455. Renters pay a median $250 a week, and households with a mortgage repay $1,352 a month.

23.2% of residents were born overseas, close to the SA average of 25.2%. 8.5% use a language other than English at home. 60.5% report no religion, higher than the SA average (48.9%).

Key figures

2021 Census, Noarlunga Downs beside SA and Australia.

MeasureNoarlunga DownsSAAustralia
Population4,0311,781,51625,422,788
Growth since 2016+4.8%+6.3%+8.6%
Median age39.041.038.0
Households1,668691,3139,275,217
Flats and apartments4.0%6.8%14.3%
Renting32.9%27.9%31.1%
Owned outright20.7%33.3%31.4%
Median household income a week$1,189$1,455$1,746
Median rent a week$250$300$375
Median mortgage repayment a month$1,352$1,500$1,863
Born overseas23.2%25.2%29.3%
Other language at home8.5%18.7%23.6%
No religion60.5%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

+4.8% since 2016.

Population · each census
  1. 3,3832011
  2. 3,8462016
  3. 4,0312021

Age

Median age 39.0, against 41.0 for South Australia.

Noarlunga Downs South Australia
Share of people by age, Noarlunga Downs and South Australia
0–912.4%
10–1911.5%
20–2913.2%
30–3912.9%
40–4912.1%
50–5912.8%
60–6912.7%
70–799.5%
80+3.3%

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

Cultural background

The largest groups in Noarlunga Downs at the 2021 Census.

Ancestry

Top 5 · ancestry
  1. English49.6%
  2. Australian40.0%
  3. Scottish9.1%
  4. Irish8.0%
  5. German6.7%

Languages at home

Top 5 · languages at home
  1. Greek0.6%
  2. German0.5%
  3. Polish0.5%
  4. Spanish0.5%
  5. Mandarin0.4%

Country of birth

Top 5 · country of birth
  1. England9.8%
  2. New Zealand1.2%
  3. Scotland1.2%
  4. India0.9%
  5. Germany0.8%

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

Around Noarlunga Downs

The places it belongs to, sits beside and contains.

Explore Noarlunga Downs in Censible

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