Suburb profile · ABS Census 2021
North St Marys suburb profile
North St Marys, NSW · Postcode 2760
This North St Marys suburb profile summarises official Australian Bureau of Statistics Census 2021 data for North St Marys, NSW (postcode 2760). 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 St Marys with nearby suburbs.
North St Marys at a glance
Population
4,123
Median rent
$340/wk
Household income
$1,255/wk
Median age
35
North St Marys 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
+12% over 10 years
Population
4,123
was 3,921 in 2016
+202 · +5.2%
Median rent
$340/wk
was $313/wk in 2016
+$27 · +8.6%
Household income
$1,255/wk
was $1,097/wk in 2016
+$158 · +14.4%
Median age
35
was 35 in 2016
0 · 0%
Dig deeper: North St Marys population growth · North St Marys then and now
North St Marys vs nearby & NSW
Median Census 2021 figures for North St Marys, nearby suburbs (8), and the NSW state median (suburbs with 1,000+ people).
Rent
-19% vs area
- North St Marys$340/wk
- Nearby$424/wk
- NSW$420/wk
Household income
-31.9% vs area
- North St Marys$1,255/wk
- Nearby$2,082/wk
- NSW$1,843/wk
Median age
-12.5% vs area
- North St Marys35
- Nearby34
- NSW40
Personal income
-26.1% vs area
- North St Marys$597/wk
- Nearby$816/wk
- NSW$808/wk
Nearby uses the same postcode first, then larger suburbs in NSW.
Socio-economic profile
How North St Marys compares to other Australian suburbs on income, education and occupation — from official ABS SEIFA 2021 data.
North St Marys ranks among Australia's most disadvantaged suburbs. It shows limited economic resources and lower education and occupation levels.
Relative disadvantage (IRSD)
Decile 1838.6
Lower score / decile = more relative disadvantage
Advantage & disadvantage (IRSAD)
Decile 1846.7
Higher score / decile = more relative advantage
Economic resources (IER)
Decile 1875.7
Access to economic resources (income, housing)
Education & occupation (IEO)
Decile 1846.3
Education and occupational skill levels
Source: ABS SEIFA 2021. See methodology.
North St Marys on the map
OpenStreetMap outline for North St Marys, NSW.
Map data © OpenStreetMap contributors. Boundary matching is approximate.
North St Marys people
- Population
- 4,123
- Median age
- 35
- Born overseas
- 21.4%
- Average household size
- 2.7
Total usual residents (Census 2021)
Median age of residents in years
Percentage born outside Australia
Average number of people per household
North St Marys income
- Median household income
- $1,255/wk
- Median personal income
- $597/wk
Median total weekly household income
Median total weekly personal income
North St Marys housing
- Median rent
- $340/wk
- Median mortgage repayment
- $1,800/mo
- Separate houses
- 91.8%
- Flats & apartments
- 0.9%
- Owned outright
- 20.1%
- Mortgaged
- 20.7%
- Rented
- 51.7%
- Unoccupied dwellings
- 5.4%
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 St Marys work
- Employment to population
- 40.5%
- Unemployment rate
- 8.9%
- Year 12 or above
- 34.8%
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 2760)
Compare North St Marys with nearby suburbs
North St Marys in numbers
North St Marys had 4,123 residents at the 2021 Census. The median age is 35, 15% below the typical NSW suburb. The average household has 2.7 people. 21.4% of residents were born overseas.
Among occupied homes, 20.1% own their home outright, 20.7% are paying a mortgage, 51.7% rent. Separate houses make up 91.8% of dwellings, with 0.9% in flats or apartments. Median rent was $340/wk, 15% below the typical NSW suburb.
Median household income was $1,255/wk, 30% below the typical NSW suburb. The unemployment rate on Census night was 8.9%. 34.8% of adults had completed Year 12 or above. On the ABS SEIFA index of relative socio-economic disadvantage it sits in decile 1 nationally (1 is most disadvantaged, 10 least).
Between the 2016 and 2021 Censuses the population grew 5.2% (from 3,921 to 4,123). Median rent moved from $313/wk to $340/wk (+8.6%).
North St Marys suburb FAQs
- What is the median rent in North St Marys, NSW?
- The median weekly rent in North St Marys was $340/wk at the 2021 Census (ABS).
- How many people live in North St Marys, NSW?
- North St Marys had 4,123 residents at the 2021 Census, up 5.2% from 2016.
- What is the median household income in North St Marys?
- Median household income in North St Marys was $1,255/wk at the 2021 Census.
- Do most people rent or own in North St Marys?
- 51.7% of occupied homes in North St Marys were rented, 20.1% were owned outright and 20.7% were owned with a mortgage.
About this North St Marys suburb profile
Figures are from the ABS Census of Population and Housing 2021 (General Community Profile) for the Suburbs and Localities boundary matching North St Marys. 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