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New South Wales · Postcode 2324
Osterley postcode and suburb data
New South Wales · Phone area code 02 · 135 km from Sydney
Suburb snapshot
Osterley 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 Osterley ranks: household income is in the top 10% of NSW suburbs.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Osterley vs the NSW average and the national average, using population-weighted 2021 Census data.
| Metric | Osterley | NSW avg | AU avg |
|---|---|---|---|
| Household income/wk | $2,562 +NSW | $1,931 | $1,836 |
| Rent/wk | $400 -NSW | $445 | $390 |
| Mortgage/month | $2,015 -NSW | $2,247 | $1,958 |
| Median age | 47 | 45.0 | 45.0 |
| SEIFA decile | 7/10 ≈NSW | 6.0/10 | 6.0/10 |
| Unemployment | 5.6% +NSW | 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.
Osterley is a locality 135 km from Sydney in New South Wales, classified as inner regional by the ABS. The postcode is 2324. It falls within the Mid North Coast region. The local government area is Port Stephens.
According to the 2021 Census, Osterley has a population of 132 with a median age of 47. The median weekly household income is $2,562, above the NSW average. The unemployment rate is 5.6%, higher than the NSW average. The Indigenous population is 5 (3.8% of residents).
Housing in Osterley includes a median weekly rent of $400, median monthly mortgage repayment of $2,015, with 37 total dwellings. Housing costs in the area sit below the NSW average. Owner-occupied dwellings (owned or mortgaged) make up 88.4% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Osterley scores in decile 7 out of 10, which is above the national average.
Osterley is served by Mount Kanwary Public School.
Osterley is part of the Great Lakes statistical area in New South Wales.
Osterley details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 2324 |
| State | New South Wales (NSW) |
| Phone Area Code | 02 |
| Population (2021) | 132 |
| Median Age | 47 years |
| Median Household Income (Census 2021) | $2,562/week |
| Median Personal Income (Census 2021) | $949/week |
| Median Weekly Rent (Census 2021) | $400 |
| Median Monthly Mortgage (Census 2021) | $2,015 |
| Average Household Size | 3.2 persons |
| Area | 3.7 km² |
| Population Density | 36/km² |
| Total Dwellings | 37 |
| Australian Citizens | 94.7% |
| Indigenous Population | 5 (3.8%) |
| Unemployment Rate | 5.6% |
| SEIFA IRSAD Decile | 7/10 (above average) |
| Latitude | -32.723333 |
| Longitude | 151.701111 |
| Distance from Sydney | 135 km |
| Region (SA4) | Mid North Coast |
| Area (SA3) | Great Lakes |
| Local Government | Port Stephens |
| Federal Electorate | Paterson |
| State Electorate | Upper Hunter |
| Time Zone | AEST (UTC+10), Australia/Sydney (standard time) |
Age Profile
Show counts
| 0–14 years | 22 (16.7%) |
| 15–24 years | 16 (12.1%) |
| 25–44 years | 22 (16.7%) |
| 45–64 years | 49 (37.1%) |
| 65+ years | 31 (23.5%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Asthma | 16 (12.1%) |
| Arthritis | 12 (9.1%) |
| Diabetes | 6 (4.5%) |
| Cancer | 6 (4.5%) |
| Dementia | 6 (4.5%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 0 (0.0%) |
| 1 vehicle | 4 (8.9%) |
| 2 vehicles | 13 (28.9%) |
| 3+ vehicles | 28 (62.2%) |
Schools in Osterley
ACARA 2025 school profiles for schools located in Osterley. ICSEA is shown where ACARA publishes it.
Suburbs Near Osterley
Same Postcode (2324)
More Osterley 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.