Suburb in Ku-ring-gai

St Ives, NSW

St Ives had a population of 18,384 at the 2021 Census (+6.3% since 2016). Median age 43.0. Median weekly household income $2,888. Source: ABS Census 2021, via Censible. Census 2026 data arrives June 2027.

St Ives at a glance

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

In Sydney - North Sydney and Hornsby

Between the 2016 and 2021 censuses, St Ives's population grew by 6.3% to 18,384, slower than New South Wales as a whole (+7.9%). With a median age of 43.0, it is older than the NSW average (39.0). Children under 10 make up 12.4% of residents, and people aged 70 and over 16.4%.

16.7% of households rent, a smaller share than the NSW average of 33.1%. 42.0% own their home outright. Flats and apartments are 26.1% of homes (21.8% across New South Wales). The 2021 Census counted 6,298 households.

The median household earns $2,888 a week, above the NSW average of $1,829. Renters pay a median $688 a week, and households with a mortgage repay $3,467 a month.

48.6% of residents were born overseas, more than the NSW average of 31.0%. 34.2% use a language other than English at home. 40.6% report no religion, higher than the NSW average (35.7%).

Key figures

2021 Census, St Ives beside NSW and Australia.

MeasureSt IvesNSWAustralia
Population18,3848,072,16325,422,788
Growth since 2016+6.3%+7.9%+8.6%
Median age43.039.038.0
Households6,2982,900,4689,275,217
Flats and apartments26.1%21.8%14.3%
Renting16.7%33.1%31.1%
Owned outright42.0%32.0%31.4%
Median household income a week$2,888$1,829$1,746
Median rent a week$688$420$375
Median mortgage repayment a month$3,467$2,167$1,863
Born overseas48.6%31.0%29.3%
Other language at home34.2%28.2%23.6%
No religion40.6%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

+6.3% since 2016.

Population · each census
  1. 15,5582011
  2. 17,3002016
  3. 18,3842021

Age

Median age 43.0, against 39.0 for New South Wales.

St Ives New South Wales
Share of people by age, St Ives and New South Wales
0–912.4%
10–1914.5%
20–297.4%
30–399.8%
40–4915.0%
50–5913.5%
60–6910.9%
70–799.3%
80+7.1%

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

Cultural background

The largest groups in St Ives at the 2021 Census.

Ancestry

Top 5 · ancestry
  1. English30.0%
  2. Chinese22.0%
  3. Australian20.9%
  4. Irish7.5%
  5. Scottish7.5%

Languages at home

Top 5 · languages at home
  1. Mandarin13.3%
  2. Cantonese4.3%
  3. Korean2.4%
  4. Persian (excluding Dari)2.1%
  5. Spanish0.9%

Country of birth

Top 5 · country of birth
  1. China10.5%
  2. South Africa7.3%
  3. England6.0%
  4. Hong Kong2.5%
  5. India2.0%

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

Around St Ives

The places it belongs to, sits beside and contains.

Explore St Ives in Censible

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