Suburb in Marion

Seacombe Heights, SA

Seacombe Heights had a population of 1,549 at the 2021 Census (+4.2% since 2016). Median age 40.6. Median weekly household income $1,927. Source: ABS Census 2021, via Censible. Census 2026 data arrives June 2027.

Seacombe Heights at a glance

What the 2021 Census says, compared with South Australia.

In Adelaide - South

Between the 2016 and 2021 censuses, Seacombe Heights's population grew by 4.2% to 1,549, slower than South Australia as a whole (+6.3%). Its median age of 40.6 is close to the SA average (40.9). Children under 10 make up 11.9% of residents, and people aged 70 and over 13.7%.

13.3% of households rent, a smaller share than the SA average of 27.9%. 37.1% own their home outright. Almost every home is a house; flats and apartments are 0.0% of homes. The 2021 Census counted 568 households.

The median household earns $1,927 a week, above the SA average of $1,456. Renters pay a median $400 a week, and households with a mortgage repay $1,820 a month.

28.8% of residents were born overseas, more than the SA average of 25.2%. 19.7% use a language other than English at home. 55.2% report no religion, higher than the SA average (48.9%).

Key figures

2021 Census, Seacombe Heights beside SA and Australia.

MeasureSeacombe HeightsSAAustralia
Population1,5491,781,50125,422,828
Growth since 2016+4.2%+6.3%+8.6%
Median age40.640.938.2
Households568691,3449,275,123
Flats and apartments0.0%6.8%14.3%
Renting13.3%27.9%31.1%
Owned outright37.1%33.3%31.4%
Median household income a week$1,927$1,456$1,747
Median rent a week$400$300$376
Median mortgage repayment a month$1,820$1,505$1,866
Born overseas28.8%25.2%29.3%
Other language at home19.7%18.7%23.6%
No religion55.2%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

+4.2% since 2016.

Population · each census
  1. 1,5072011
  2. 1,4862016
  3. 1,5492021

Age

Median age 40.6, against 40.9 for South Australia.

Seacombe Heights South Australia
Share of people by age, Seacombe Heights and South Australia
0–911.9%
10–1912.8%
20–2910.3%
30–3913.6%
40–4914.8%
50–5912.5%
60–699.7%
70–799.3%
80+4.4%

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

Cultural background

The largest groups in Seacombe Heights at the 2021 Census.

Ancestry

Top 5 · ancestry
  1. English42.4%
  2. Australian31.9%
  3. Scottish10.6%
  4. Irish10.4%
  5. German7.7%

Languages at home

Top 5 · languages at home
  1. Greek3.5%
  2. Mandarin3.2%
  3. Punjabi1.3%
  4. Arabic1.3%
  5. Nepali1.1%

Country of birth

Top 5 · country of birth
  1. England7.2%
  2. India3.3%
  3. China2.0%
  4. Greece1.2%
  5. Germany1.1%

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

Around Seacombe Heights

The places it belongs to, sits beside and contains.

Explore Seacombe Heights in Censible

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