Suburb in Blacktown

Seven Hills, NSW

Seven Hills had a population of 20,095 at the 2021 Census (+4.0% since 2016). Median age 36.9. Median weekly household income $1,889. Source: ABS Census 2021, via Censible. Census 2026 data arrives June 2027.

Seven Hills at a glance

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

In Sydney - Blacktown

Between the 2016 and 2021 censuses, Seven Hills's population grew by 4.0% to 20,095, slower than New South Wales as a whole (+7.9%). With a median age of 36.9, it is younger than the NSW average (38.4). Children under 10 make up 12.6% of residents, and people aged 70 and over 10.8%.

35.8% of households rent, a larger share than the NSW average of 33.1%. 27.9% own their home outright. Flats and apartments are 5.6% of homes (21.8% across New South Wales). The 2021 Census counted 6,763 households.

The median household earns $1,889 a week, in line with the NSW average of $1,829. Renters pay a median $400 a week, and households with a mortgage repay $2,206 a month.

46.3% of residents were born overseas, more than the NSW average of 31.0%. 47.3% use a language other than English at home. 21.9% report no religion, lower than the NSW average (35.7%).

Key figures

2021 Census, Seven Hills beside NSW and Australia.

MeasureSeven HillsNSWAustralia
Population20,0958,072,17125,422,828
Growth since 2016+4.0%+7.9%+8.6%
Median age36.938.438.2
Households6,7632,900,4569,275,123
Flats and apartments5.6%21.8%14.3%
Renting35.8%33.1%31.1%
Owned outright27.9%32.0%31.4%
Median household income a week$1,889$1,829$1,747
Median rent a week$400$423$376
Median mortgage repayment a month$2,206$2,142$1,866
Born overseas46.3%31.0%29.3%
Other language at home47.3%28.2%23.6%
No religion21.9%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

+4.0% since 2016.

Population · each census
  1. 18,3012011
  2. 19,3262016
  3. 20,0952021

Age

Median age 36.9, against 38.4 for New South Wales.

Seven Hills New South Wales
Share of people by age, Seven Hills and New South Wales
0–912.6%
10–1911.4%
20–2914.2%
30–3916.1%
40–4913.5%
50–5911.3%
60–6910.1%
70–797.3%
80+3.5%

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

Cultural background

The largest groups in Seven Hills at the 2021 Census.

Ancestry

Top 5 · ancestry
  1. Australian22.0%
  2. English20.5%
  3. Indian12.9%
  4. Chinese6.2%
  5. Irish5.5%

Languages at home

Top 5 · languages at home
  1. Tamil6.4%
  2. Punjabi5.1%
  3. Hindi4.1%
  4. Arabic2.8%
  5. Mandarin2.6%

Country of birth

Top 5 · country of birth
  1. India12.9%
  2. Sri Lanka4.4%
  3. the Philippines3.6%
  4. China2.7%
  5. New Zealand2.1%

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

Around Seven Hills

The places it belongs to, sits beside and contains.

Explore Seven Hills in Censible

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