Suburb in Norwood Payneham and St Peters

Trinity Gardens, SA

Trinity Gardens had a population of 1,264 at the 2021 Census (+2.4% since 2016). Median age 40.5. Median weekly household income $2,081. Source: ABS Census 2021, via Censible. Census 2026 data arrives June 2027.

Trinity Gardens at a glance

What the 2021 Census says, compared with South Australia.

In Adelaide - Central and Hills

Between the 2016 and 2021 censuses, Trinity Gardens's population grew by 2.4% to 1,264, slower than South Australia as a whole (+6.3%). Its median age of 40.5 is close to the SA average (40.9). Children under 10 make up 11.3% of residents, and people aged 70 and over 11.3%.

26.8% of households rent, close to the SA average of 27.9%. 42.4% own their home outright. Flats and apartments are 10.2% of homes (6.8% across South Australia). The 2021 Census counted 482 households.

The median household earns $2,081 a week, above the SA average of $1,456. Renters pay a median $363 a week, and households with a mortgage repay $2,147 a month.

28.3% of residents were born overseas, more than the SA average of 25.2%. 28.5% use a language other than English at home. 42.0% report no religion, lower than the SA average (48.9%).

Key figures

2021 Census, Trinity Gardens beside SA and Australia.

MeasureTrinity GardensSAAustralia
Population1,2641,781,50125,422,828
Growth since 2016+2.4%+6.3%+8.6%
Median age40.540.938.2
Households482691,3449,275,123
Flats and apartments10.2%6.8%14.3%
Renting26.8%27.9%31.1%
Owned outright42.4%33.3%31.4%
Median household income a week$2,081$1,456$1,747
Median rent a week$363$300$376
Median mortgage repayment a month$2,147$1,505$1,866
Born overseas28.3%25.2%29.3%
Other language at home28.5%18.7%23.6%
No religion42.0%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

+2.4% since 2016.

Population · each census
  1. 1,1822011
  2. 1,2342016
  3. 1,2642021

Age

Median age 40.5, against 40.9 for South Australia.

Trinity Gardens South Australia
Share of people by age, Trinity Gardens and South Australia
0–911.3%
10–1913.4%
20–2913.2%
30–3912.1%
40–4912.5%
50–5915.8%
60–6911.9%
70–796.6%
80+4.7%

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

Cultural background

The largest groups in Trinity Gardens at the 2021 Census.

Ancestry

Top 5 · ancestry
  1. English29.9%
  2. Italian25.5%
  3. Australian23.1%
  4. Chinese10.2%
  5. Irish9.5%

Languages at home

Top 5 · languages at home
  1. Italian9.3%
  2. Mandarin6.9%
  3. Greek4.7%
  4. Punjabi0.9%
  5. Cantonese0.8%

Country of birth

Top 5 · country of birth
  1. Italy5.4%
  2. China4.8%
  3. England3.9%
  4. Malaysia1.8%
  5. India1.5%

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

Around Trinity Gardens

The places it belongs to, sits beside and contains.

Explore Trinity Gardens in Censible

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