Suburb profile · ABS Census 2021
North Rocks suburb profile
North Rocks, NSW · Postcode 2151
This North Rocks suburb profile summarises official Australian Bureau of Statistics Census 2021 data for North Rocks, NSW (postcode 2151). Use it as a free suburb report covering population, median rent, household income, age, housing tenure and employment, plus how those figures changed since Census 2016— then compare North Rocks with nearby suburbs.
North Rocks at a glance
Population
9,136
Median rent
$505/wk
Household income
$2,354/wk
Median age
40
North Rocks trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
Census 2011 → 2016 → 2021
+19.8% over 10 years
Population
9,136
was 7,965 in 2016
+1,171 · +14.7%
Median rent
$505/wk
was $550/wk in 2016
$45 · -8.2%
Household income
$2,354/wk
was $2,131/wk in 2016
+$223 · +10.5%
Median age
40
was 41 in 2016
-1 · -2.4%
Dig deeper: North Rocks population growth · North Rocks then and now
North Rocks vs nearby & Greater Sydney
Median Census 2021 figures for North Rocks, nearby suburbs (8), and the Sydney metro median (suburbs with 1,000+ people).
Rent
+3.1% vs area
- North Rocks$505/wk
- Nearby$480/wk
- Sydney$490/wk
Household income
+11.1% vs area
- North Rocks$2,354/wk
- Nearby$2,149.5/wk
- Sydney$2,119.5/wk
Median age
0% vs area
- North Rocks40
- Nearby38.5
- Sydney40
Personal income
+3.8% vs area
- North Rocks$938/wk
- Nearby$957/wk
- Sydney$903.5/wk
Nearby uses the same postcode first, then larger suburbs in NSW. See Sydney rankings.
Socio-economic profile
How North Rocks compares to other Australian suburbs on income, education and occupation — from official ABS SEIFA 2021 data.
North Rocks ranks among Australia's most advantaged suburbs. It shows strong access to economic resources and high education and occupation levels.
Relative disadvantage (IRSD)
Decile 101,084.5
Lower score / decile = more relative disadvantage
Advantage & disadvantage (IRSAD)
Decile 101,113
Higher score / decile = more relative advantage
Economic resources (IER)
Decile 91,088.4
Access to economic resources (income, housing)
Education & occupation (IEO)
Decile 101,106.7
Education and occupational skill levels
Source: ABS SEIFA 2021. See methodology.
North Rocks on the map
OpenStreetMap outline for North Rocks, NSW.
Map data © OpenStreetMap contributors. Boundary matching is approximate.
North Rocks people
- Population
- 9,136
- Median age
- 40
- Born overseas
- 41.4%
- Average household size
- 2.9
Total usual residents (Census 2021)
Median age of residents in years
Percentage born outside Australia
Average number of people per household
North Rocks income
- Median household income
- $2,354/wk
- Median personal income
- $938/wk
Median total weekly household income
Median total weekly personal income
North Rocks housing
- Median rent
- $505/wk
- Median mortgage repayment
- $2,817/mo
- Separate houses
- 74.3%
- Flats & apartments
- 13.4%
- Owned outright
- 33.9%
- Mortgaged
- 37.1%
- Rented
- 22.7%
- Unoccupied dwellings
- 4.9%
Median weekly rent for rented dwellings
Median monthly mortgage repayment
Percentage of dwellings that are separate houses
Percentage of dwellings that are flats or apartments
Percentage of dwellings owned without a mortgage
Percentage of dwellings with a mortgage
Percentage of dwellings rented
Percentage of private dwellings unoccupied on Census night
North Rocks work
- Employment to population
- 59.1%
- Unemployment rate
- 4.1%
- Year 12 or above
- 75.7%
Employed persons as a percentage of population aged 15+
Unemployed persons as a percentage of the labour force
Percentage with Year 12 or equivalent as highest school level
Nearby suburb profiles (near 2151)
Compare North Rocks with nearby suburbs
North Rocks in numbers
North Rocks had 9,136 residents at the 2021 Census, making it the 250th most populous suburb or locality in NSW out of 4,347. The median age is 40, close to the typical NSW suburb. The average household has 2.9 people. 41.4% of residents were born overseas.
Among occupied homes, 33.9% own their home outright, 37.1% are paying a mortgage, 22.7% rent. Separate houses make up 74.3% of dwellings, with 13.4% in flats or apartments. Median rent was $505/wk, 26% above the typical NSW suburb.
Median household income was $2,354/wk, 30% above the typical NSW suburb. The unemployment rate on Census night was 4.1%. 75.7% of adults had completed Year 12 or above. On the ABS SEIFA index of relative socio-economic disadvantage it sits in decile 10 nationally (1 is most disadvantaged, 10 least).
Between the 2016 and 2021 Censuses the population grew 14.7% (from 7,965 to 9,136). Median rent moved from $550/wk to $505/wk (-8.2%).
North Rocks suburb FAQs
- What is the median rent in North Rocks, NSW?
- The median weekly rent in North Rocks was $505/wk at the 2021 Census (ABS).
- How many people live in North Rocks, NSW?
- North Rocks had 9,136 residents at the 2021 Census, up 14.7% from 2016.
- What is the median household income in North Rocks?
- Median household income in North Rocks was $2,354/wk at the 2021 Census.
- Do most people rent or own in North Rocks?
- 22.7% of occupied homes in North Rocks were rented, 33.9% were owned outright and 37.1% were owned with a mortgage.
About this North Rocks suburb profile
Figures are from the ABS Census of Population and Housing 2021 (General Community Profile) for the Suburbs and Localities boundary matching North Rocks. Where shown, 2016 values come from the 2016 State Suburbs (SSC) profile, linked via ABS geographic correspondence — boundaries are not always identical. Medians may be suppressed for very small areas. This is not financial or relocation advice — use it alongside current market data.
Source: ABS Census 2021. Methodology · Richest suburbs in Sydney