Suburb in Hornsby

Arcadia, NSW

Arcadia had a population of 1,475 at the 2021 Census (+6.5% since 2016). Median age 45.8. Median weekly household income $2,643. Source: ABS Census 2021, via Censible. Census 2026 data arrives June 2027.

Arcadia at a glance

What the 2021 Census says, compared with New South Wales.

In Sydney - Baulkham Hills and Hawkesbury

Between the 2016 and 2021 censuses, Arcadia's population grew by 6.5% to 1,475, slower than New South Wales as a whole (+7.9%). With a median age of 45.8, it is older than the NSW average (38.4). Children under 10 make up 8.9% of residents, and people aged 70 and over 15.1%.

11.3% of households rent, a smaller share than the NSW average of 33.1%. 46.4% own their home outright. Almost every home is a house; flats and apartments are 0.7% of homes. The 2021 Census counted 447 households.

The median household earns $2,643 a week, above the NSW average of $1,829. Renters pay a median $581 a week, and households with a mortgage repay $3,588 a month.

17.3% of residents were born overseas, fewer than the NSW average of 31.0%. 8.3% use a language other than English at home. 35.3% report no religion, close to the NSW average (35.7%).

Key figures

2021 Census, Arcadia beside NSW and Australia.

MeasureArcadiaNSWAustralia
Population1,4758,072,17125,422,828
Growth since 2016+6.5%+7.9%+8.6%
Median age45.838.438.2
Households4472,900,4569,275,123
Flats and apartments0.7%21.8%14.3%
Renting11.3%33.1%31.1%
Owned outright46.4%32.0%31.4%
Median household income a week$2,643$1,829$1,747
Median rent a week$581$423$376
Median mortgage repayment a month$3,588$2,142$1,866
Born overseas17.3%31.0%29.3%
Other language at home8.3%28.2%23.6%
No religion35.3%35.7%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

+6.5% since 2016.

Population · each census
  1. 1,4062011
  2. 1,3852016
  3. 1,4752021

Age

Median age 45.8, against 38.4 for New South Wales.

Arcadia New South Wales
Share of people by age, Arcadia and New South Wales
0–98.9%
10–1917.1%
20–299.7%
30–397.4%
40–4912.8%
50–5915.9%
60–6913.3%
70–799.4%
80+5.7%

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

Cultural background

The largest groups in Arcadia at the 2021 Census.

Ancestry

Top 5 · ancestry
  1. English47.0%
  2. Australian37.3%
  3. Irish12.2%
  4. Scottish11.7%
  5. Italian7.3%

Languages at home

Top 5 · languages at home
  1. Italian1.3%
  2. Arabic1.0%
  3. Mandarin1.0%
  4. German0.6%
  5. Croatian0.4%

Country of birth

Top 5 · country of birth
  1. England5.0%
  2. New Zealand2.1%
  3. South Africa1.1%
  4. Scotland1.0%
  5. China0.9%

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

Around Arcadia

The places it belongs to, sits beside and contains.

Explore Arcadia in Censible

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