New South Wales · Postcode 2168
Sadleir postcode and suburb data
New South Wales · Phone area code 02 · 30 km from Sydney
Suburb snapshot
Sadleir 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 Sadleir ranks: household income sits in the bottom 25% of NSW suburbs; SEIFA decile 1 places it in the bottom 20% of Australia for socio-economic advantage.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Sadleir vs the NSW average and the national average, using population-weighted 2021 Census data.
| Metric | Sadleir | NSW avg | AU avg | Greater Sydney |
|---|---|---|---|---|
| Household income/wk | $946 -NSW | $1,931 | $1,836 | $2,181 |
| Rent/wk | $250 -NSW | $445 | $390 | $506 |
| Mortgage/month | $1,878 -NSW | $2,247 | $1,958 | $2,587 |
| Median age | 33 | 45.0 | 45.0 | 39.0 |
| SEIFA decile | 1/10 -NSW | 6.0/10 | 6.0/10 | 10.0/10 |
| Unemployment | 12.5% +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 2168 covers Sadleir, an inland suburb of Sydney about 30 km from the city centre. It forms part of the Sydney - South West region of New South Wales. Local government services are provided by Liverpool.
According to the 2021 Census, Sadleir has a population of 3,243 with a median age of 33. The median weekly household income is $946, below the NSW average. The unemployment rate is 12.5%, higher than the NSW average. The Indigenous population is 143 (4.4% of residents).
Housing in Sadleir includes a median weekly rent of $250, median monthly mortgage repayment of $1,878, with 990 total dwellings. Housing costs in the area sit below the NSW average. Rental properties account for 54.7% of dwellings.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Sadleir scores in decile 1 out of 10, which is well below the national average.
Sadleir is served by Sadleir Public School.
Sadleir is part of the Liverpool statistical area in New South Wales.
Sadleir details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 2168 |
| State | New South Wales (NSW) |
| Phone Area Code | 02 |
| Population (2021) | 3,243 |
| Median Age | 33 years |
| Median Household Income (Census 2021) | $946/week |
| Median Personal Income (Census 2021) | $446/week |
| Median Weekly Rent (Census 2021) | $250 |
| Median Monthly Mortgage (Census 2021) | $1,878 |
| Average Household Size | 3 persons |
| Area | 0.9 km² |
| Population Density | 3607/km² |
| Total Dwellings | 990 |
| Australian Citizens | 81.7% |
| Indigenous Population | 143 (4.4%) |
| Unemployment Rate | 12.5% |
| SEIFA IRSAD Decile | 1/10 (well below average) |
| Latitude | -33.9164233 |
| Longitude | 150.8914686 |
| Distance from Sydney | 30 km |
| Region (SA4) | Sydney - South West |
| Area (SA3) | Liverpool |
| Local Government | Liverpool |
| Federal Electorate | Werriwa |
| State Electorate | Liverpool |
| Time Zone | AEST (UTC+10), Australia/Sydney (standard time) |
Age Profile
Show counts
| 0–14 years | 781 (24.1%) |
| 15–24 years | 509 (15.7%) |
| 25–44 years | 817 (25.2%) |
| 45–64 years | 761 (23.5%) |
| 65+ years | 386 (11.9%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Asthma | 312 (9.6%) |
| Arthritis | 306 (9.4%) |
| Diabetes | 242 (7.5%) |
| Heart Disease | 133 (4.1%) |
| Lung Condition | 57 (1.8%) |
| Cancer | 56 (1.7%) |
| Dementia | 24 (0.7%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 169 (17.8%) |
| 1 vehicle | 341 (35.9%) |
| 2 vehicles | 263 (27.7%) |
| 3+ vehicles | 176 (18.5%) |
Schools in Sadleir
ACARA 2025 school profiles for schools located in Sadleir. ICSEA is shown where ACARA publishes it.
Suburbs Near Sadleir
Same Postcode (2168)
More Sadleir 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.