New South Wales · Postcode 2770
Blackett postcode and suburb data
New South Wales · Phone area code 02 · 39 km from Sydney
Suburb snapshot
Blackett 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 Blackett ranks: SEIFA decile 1 places it in the bottom 20% of Australia for socio-economic advantage.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Blackett vs the NSW average and the national average, using population-weighted 2021 Census data.
| Metric | Blackett | NSW avg | AU avg | Greater Sydney |
|---|---|---|---|---|
| Household income/wk | $1,174 -NSW | $1,931 | $1,836 | $2,181 |
| Rent/wk | $310 -NSW | $445 | $390 | $506 |
| Mortgage/month | $1,733 -NSW | $2,247 | $1,958 | $2,587 |
| Median age | 31 | 45.0 | 45.0 | 39.0 |
| SEIFA decile | 1/10 -NSW | 6.0/10 | 6.0/10 | 10.0/10 |
| Unemployment | 9.3% +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 2770 covers Blackett, an inland suburb of Sydney about 39 km from the city centre. It forms part of the Sydney - Blacktown region of New South Wales. Local government services are provided by Blacktown.
According to the 2021 Census, Blackett has a population of 3,586 with a median age of 31. The median weekly household income is $1,174, below the NSW average. The unemployment rate is 9.3%, higher than the NSW average. The Indigenous population is 402 (11.2% of residents).
Housing in Blackett includes a median weekly rent of $310, median monthly mortgage repayment of $1,733, with 1,062 total dwellings. Housing costs in the area sit below the NSW average. Rental properties account for 53.3% of dwellings.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Blackett scores in decile 1 out of 10, which is well below the national average.
Schools in Blackett include Blackett Public School and Niland School.
Blackett is part of the Mount Druitt statistical area in New South Wales.
Blackett details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 2770 |
| State | New South Wales (NSW) |
| Phone Area Code | 02 |
| Population (2021) | 3,586 |
| Median Age | 31 years |
| Median Household Income (Census 2021) | $1,174/week |
| Median Personal Income (Census 2021) | $560/week |
| Median Weekly Rent (Census 2021) | $310 |
| Median Monthly Mortgage (Census 2021) | $1,733 |
| Average Household Size | 2.9 persons |
| Area | 1.1 km² |
| Population Density | 3373/km² |
| Total Dwellings | 1,062 |
| Australian Citizens | 72.7% |
| Indigenous Population | 402 (11.2%) |
| Unemployment Rate | 9.3% |
| SEIFA IRSAD Decile | 1/10 (well below average) |
| Latitude | -33.73934 |
| Longitude | 150.81266 |
| Distance from Sydney | 39 km |
| Region (SA4) | Sydney - Blacktown |
| Area (SA3) | Mount Druitt |
| Local Government | Blacktown |
| Federal Electorate | Chifley |
| State Electorate | Mount Druitt |
| Time Zone | AEST (UTC+10), Australia/Sydney (standard time) |
Age Profile
Show counts
| 0–14 years | 933 (26.0%) |
| 15–24 years | 527 (14.7%) |
| 25–44 years | 918 (25.6%) |
| 45–64 years | 775 (21.6%) |
| 65+ years | 439 (12.2%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Asthma | 385 (10.7%) |
| Arthritis | 321 (9.0%) |
| Diabetes | 275 (7.7%) |
| Heart Disease | 143 (4.0%) |
| Lung Condition | 85 (2.4%) |
| Cancer | 67 (1.9%) |
| Dementia | 21 (0.6%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 157 (15.3%) |
| 1 vehicle | 420 (40.9%) |
| 2 vehicles | 305 (29.7%) |
| 3+ vehicles | 145 (14.1%) |
Schools in Blackett
ACARA 2025 school profiles for schools located in Blackett. ICSEA is shown where ACARA publishes it.
Suburbs Near Blackett
Same Postcode (2770)
More Blackett 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.