Suburb in Marion

Seaview Downs, SA

Seaview Downs had a population of 2,718 at the 2021 Census (+1.7% since 2016). Median age 42.0. Median weekly household income $1,741. Source: ABS Census 2021, via Censible. Census 2026 data arrives June 2027.

Seaview Downs at a glance

What the 2021 Census says, compared with South Australia.

In Adelaide - South

Between the 2016 and 2021 censuses, Seaview Downs's population grew by 1.7% to 2,718, slower than South Australia as a whole (+6.3%). With a median age of 42.0, it is older than the SA average (40.9). Children under 10 make up 12.2% of residents, and people aged 70 and over 16.2%.

11.7% of households rent, a smaller share than the SA average of 27.9%. 41.4% own their home outright. Almost every home is a house; flats and apartments are 0.0% of homes. The 2021 Census counted 1,022 households.

The median household earns $1,741 a week, above the SA average of $1,456. Renters pay a median $385 a week, and households with a mortgage repay $1,742 a month.

22.3% of residents were born overseas, fewer than the SA average of 25.2%. 11.7% use a language other than English at home. 55.9% report no religion, higher than the SA average (48.9%).

Key figures

2021 Census, Seaview Downs beside SA and Australia.

MeasureSeaview DownsSAAustralia
Population2,7181,781,50125,422,828
Growth since 2016+1.7%+6.3%+8.6%
Median age42.040.938.2
Households1,022691,3449,275,123
Flats and apartments0.0%6.8%14.3%
Renting11.7%27.9%31.1%
Owned outright41.4%33.3%31.4%
Median household income a week$1,741$1,456$1,747
Median rent a week$385$300$376
Median mortgage repayment a month$1,742$1,505$1,866
Born overseas22.3%25.2%29.3%
Other language at home11.7%18.7%23.6%
No religion55.9%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

+1.7% since 2016.

Population · each census
  1. 2,6752011
  2. 2,6722016
  3. 2,7182021

Age

Median age 42.0, against 40.9 for South Australia.

Seaview Downs South Australia
Share of people by age, Seaview Downs and South Australia
0–912.2%
10–1913.0%
20–298.9%
30–3912.5%
40–4913.4%
50–5912.7%
60–6911.2%
70–7910.9%
80+5.3%

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

Cultural background

The largest groups in Seaview Downs at the 2021 Census.

Ancestry

Top 5 · ancestry
  1. English45.9%
  2. Australian37.1%
  3. Irish10.9%
  4. Scottish9.7%
  5. German7.8%

Languages at home

Top 5 · languages at home
  1. Greek1.2%
  2. Mandarin1.2%
  3. Italian0.8%
  4. Persian (excluding Dari)0.8%
  5. Russian0.7%

Country of birth

Top 5 · country of birth
  1. England6.9%
  2. Germany1.0%
  3. New Zealand0.9%
  4. Malaysia0.9%
  5. China0.9%

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

Around Seaview Downs

The places it belongs to, sits beside and contains.

Explore Seaview Downs in Censible

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