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New South Wales · Postcode 2148
Blacktown postcode and suburb data
New South Wales · Phone area code 02 · 30 km from Sydney
Suburb snapshot
Blacktown 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.
Detailed comparison table
Blacktown vs the NSW average and the national average, using population-weighted 2021 Census data.
| Metric | Blacktown | NSW avg | AU avg | Greater Sydney |
|---|---|---|---|---|
| Household income/wk | $1,774 ≈NSW | $1,931 | $1,836 | $2,181 |
| Rent/wk | $400 -NSW | $445 | $390 | $506 |
| Mortgage/month | $2,094 ≈NSW | $2,247 | $1,958 | $2,587 |
| Median age | 34 | 45.0 | 45.0 | 39.0 |
| SEIFA decile | 4/10 -NSW | 6.0/10 | 6.0/10 | 10.0/10 |
| Unemployment | 7.1% +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 2148 covers Blacktown, an inland suburb of Sydney about 30 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, Blacktown has a population of 50,961 with a median age of 34. The median weekly household income is $1,774, close to the NSW average. The unemployment rate is 7.1%, higher than the NSW average. The Indigenous population is 876 (1.7% of residents).
Housing in Blacktown includes a median weekly rent of $400, median monthly mortgage repayment of $2,094, with 16,495 total dwellings. Housing costs in the area sit below the NSW average. Rental properties account for 44.8% of dwellings.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Blacktown scores in decile 4 out of 10, which is below the national average.
There are 17 schools in the Blacktown area, including Blacktown Girls High School, Patrician Brothers' College Blacktown, Blacktown South Public School and others.
Blacktown is part of the Mount Druitt statistical area in New South Wales.
Blacktown details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 2148 |
| State | New South Wales (NSW) |
| Phone Area Code | 02 |
| Population (2021) | 50,961 |
| Median Age | 34 years |
| Median Household Income (Census 2021) | $1,774/week |
| Median Personal Income (Census 2021) | $757/week |
| Median Weekly Rent (Census 2021) | $400 |
| Median Monthly Mortgage (Census 2021) | $2,094 |
| Average Household Size | 2.9 persons |
| Area | 16.1 km² |
| Population Density | 3172/km² |
| Total Dwellings | 16,495 |
| Australian Citizens | 72.1% |
| Indigenous Population | 876 (1.7%) |
| Unemployment Rate | 7.1% |
| SEIFA IRSAD Decile | 4/10 (below average) |
| Latitude | -33.7668069 |
| Longitude | 150.905298 |
| Distance from Sydney | 30 km |
| Region (SA4) | Sydney - Blacktown |
| Area (SA3) | Mount Druitt |
| Local Government | Blacktown |
| Federal Electorate | Greenway |
| State Electorate | Winston Hills |
| Time Zone | AEST (UTC+10), Australia/Sydney (standard time) |
Age Profile
Show counts
| 0–14 years | 9,833 (19.3%) |
| 15–24 years | 6,667 (13.1%) |
| 25–44 years | 17,427 (34.2%) |
| 45–64 years | 10,532 (20.7%) |
| 65+ years | 6,492 (12.7%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Asthma | 3,176 (6.2%) |
| Diabetes | 3,158 (6.2%) |
| Arthritis | 3,154 (6.2%) |
| Heart Disease | 1,759 (3.5%) |
| Cancer | 916 (1.8%) |
| Lung Condition | 671 (1.3%) |
| Dementia | 394 (0.8%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 1,596 (9.9%) |
| 1 vehicle | 6,831 (42.3%) |
| 2 vehicles | 5,248 (32.5%) |
| 3+ vehicles | 2,479 (15.3%) |
Schools in Blacktown
ACARA 2025 school profiles for schools located in Blacktown. ICSEA is shown where ACARA publishes it.
Suburbs Near Blacktown
Same Postcode (2148)
More Blacktown 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.