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New South Wales · Postcode 2760
North St Marys postcode and suburb data
New South Wales · Phone area code 02 · 42 km from Sydney
Suburb snapshot
North St Marys at a glance vs NSW
Fast facts and benchmark bars show the suburb's key postcode, Census, SEIFA, school and LGA signals in context.
Quick facts
Benchmarks against NSW
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
Where North St Marys ranks: SEIFA decile 1 places it in the bottom 20% of Australia for socio-economic advantage.
ABS Census 2021 · SEIFA 2021Detailed comparison table
North St Marys vs the NSW average and the national average, using population-weighted 2021 Census data.
| Metric | North St Marys | NSW avg | AU avg | Greater Sydney |
|---|---|---|---|---|
| Household income/wk | $1,255 -NSW | $1,931 | $1,836 | $2,181 |
| Rent/wk | $340 -NSW | $445 | $390 | $506 |
| Mortgage/month | $1,800 -NSW | $2,247 | $1,958 | $2,587 |
| Median age | 35 | 45.0 | 45.0 | 39.0 |
| SEIFA decile | 1/10 -NSW | 6.0/10 | 6.0/10 | 10.0/10 |
| Unemployment | 8.9% +NSW | 5.0% | 5.0% | 5.0% |
Green pill = at least 10% above the NSW average; red = at least 10% below; grey = within 10%. For unemployment, colour polarity is inverted: lower is better.
Postcode 2760 covers North St Marys, an inland suburb of Sydney about 42 km from the city centre. It forms part of the Sydney - Outer West and Blue Mountains region of New South Wales. Local government services are provided by Penrith.
According to the 2021 Census, North St Marys has a population of 4,123 with a median age of 35. The median weekly household income is $1,255, below the NSW average. The unemployment rate is 8.9%, higher than the NSW average. The Indigenous population is 434 (10.5% of residents).
Housing in North St Marys includes a median weekly rent of $340, median monthly mortgage repayment of $1,800, with 1,333 total dwellings. Housing costs in the area sit below the NSW average. Rental properties account for 55.9% of dwellings.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, North St Marys scores in decile 1 out of 10, which is well below the national average.
Schools in North St Marys include Chifley College Dunheved Campus and St Marys North Public School.
North St Marys is part of the St Marys statistical area in New South Wales.
North St Marys details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 2760 |
| State | New South Wales (NSW) |
| Phone Area Code | 02 |
| Population (2021) | 4,123 |
| Median Age | 35 years |
| Median Household Income (Census 2021) | $1,255/week |
| Median Personal Income (Census 2021) | $597/week |
| Median Weekly Rent (Census 2021) | $340 |
| Median Monthly Mortgage (Census 2021) | $1,800 |
| Average Household Size | 2.7 persons |
| Area | 3.2 km² |
| Population Density | 1294/km² |
| Total Dwellings | 1,333 |
| Australian Citizens | 78.4% |
| Indigenous Population | 434 (10.5%) |
| Unemployment Rate | 8.9% |
| SEIFA IRSAD Decile | 1/10 (well below average) |
| Latitude | -33.749 |
| Longitude | 150.782 |
| Distance from Sydney | 42 km |
| Region (SA4) | Sydney - Outer West and Blue Mountains |
| Area (SA3) | St Marys |
| Local Government | Penrith |
| Federal Electorate | Lindsay |
| State Electorate | Londonderry |
| Time Zone | AEST (UTC+10), Australia/Sydney (standard time) |
Age Profile
Show counts
| 0–14 years | 880 (21.3%) |
| 15–24 years | 575 (13.9%) |
| 25–44 years | 1,080 (26.2%) |
| 45–64 years | 937 (22.7%) |
| 65+ years | 653 (15.8%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Asthma | 440 (10.7%) |
| Arthritis | 383 (9.3%) |
| Diabetes | 298 (7.2%) |
| Heart Disease | 183 (4.4%) |
| Lung Condition | 117 (2.8%) |
| Cancer | 82 (2.0%) |
| Dementia | 18 (0.4%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 171 (13.1%) |
| 1 vehicle | 581 (44.6%) |
| 2 vehicles | 362 (27.8%) |
| 3+ vehicles | 189 (14.5%) |
Schools in North St Marys
ACARA 2025 school profiles for schools located in North St Marys. ICSEA is shown where ACARA publishes it.
Suburbs Near North St Marys
Same Postcode (2760)
More North St Marys Data
Page last reviewed . Data sources: Australian Bureau of Statistics 2021 Census (CC BY 4.0), SEIFA 2021 IRSAD, ACARA school profiles 2025. How this data is sourced.