- Home
- New South Wales
- Sydney - Parramatta
- Auburn
- Birrong
New South Wales · Postcode 2143
Birrong postcode and suburb data
New South Wales · Phone area code 02 · 17 km from Sydney
Suburb snapshot
Birrong 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
Birrong vs the NSW average and the national average, using population-weighted 2021 Census data.
| Metric | Birrong | NSW avg | AU avg | Greater Sydney |
|---|---|---|---|---|
| Household income/wk | $1,575 -NSW | $1,931 | $1,836 | $2,181 |
| Rent/wk | $440 ≈NSW | $445 | $390 | $506 |
| Mortgage/month | $2,033 ≈NSW | $2,247 | $1,958 | $2,587 |
| Median age | 36 | 45.0 | 45.0 | 39.0 |
| SEIFA decile | 3/10 -NSW | 6.0/10 | 6.0/10 | 10.0/10 |
| Unemployment | 9.1% +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 2143 covers Birrong, an inland suburb of Sydney about 17 km from the city centre. It forms part of the Sydney - Parramatta region of New South Wales. Local government services are provided by Canterbury-Bankstown.
According to the 2021 Census, Birrong has a population of 3,331 with a median age of 36. The median weekly household income is $1,575, below the NSW average. The unemployment rate is 9.1%, higher than the NSW average. The Indigenous population is 18 (0.5% of residents).
Housing in Birrong includes a median weekly rent of $440, median monthly mortgage repayment of $2,033, with 965 total dwellings. Owner-occupied dwellings (owned or mortgaged) make up 68.1% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Birrong scores in decile 3 out of 10, which is below the national average.
Schools in Birrong include Birrong Girls High School, Birrong Public School and Birrong Boys High School.
Birrong is part of the Auburn statistical area in New South Wales.
Birrong details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 2143 |
| State | New South Wales (NSW) |
| Phone Area Code | 02 |
| Population (2021) | 3,331 |
| Median Age | 36 years |
| Median Household Income (Census 2021) | $1,575/week |
| Median Personal Income (Census 2021) | $548/week |
| Median Weekly Rent (Census 2021) | $440 |
| Median Monthly Mortgage (Census 2021) | $2,033 |
| Average Household Size | 3.2 persons |
| Area | 1.2 km² |
| Population Density | 2786/km² |
| Total Dwellings | 965 |
| Australian Citizens | 82.0% |
| Indigenous Population | 18 (0.5%) |
| Unemployment Rate | 9.1% |
| SEIFA IRSAD Decile | 3/10 (below average) |
| Latitude | -33.893 |
| Longitude | 151.023 |
| Distance from Sydney | 17 km |
| Region (SA4) | Sydney - Parramatta |
| Area (SA3) | Auburn |
| Local Government | Canterbury-Bankstown |
| Federal Electorate | Blaxland |
| State Electorate | Auburn |
| Time Zone | AEST (UTC+10), Australia/Sydney (standard time) |
Age Profile
Show counts
| 0–14 years | 643 (19.3%) |
| 15–24 years | 483 (14.5%) |
| 25–44 years | 872 (26.2%) |
| 45–64 years | 855 (25.7%) |
| 65+ years | 478 (14.4%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Asthma | 220 (6.6%) |
| Arthritis | 206 (6.2%) |
| Diabetes | 198 (5.9%) |
| Heart Disease | 96 (2.9%) |
| Cancer | 81 (2.4%) |
| Lung Condition | 28 (0.8%) |
| Dementia | 15 (0.5%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 81 (8.5%) |
| 1 vehicle | 363 (38.2%) |
| 2 vehicles | 323 (34.0%) |
| 3+ vehicles | 183 (19.3%) |
Schools in Birrong
ACARA 2025 school profiles for schools located in Birrong. ICSEA is shown where ACARA publishes it.
Suburbs Near Birrong
Same Postcode (2143)
More Birrong 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.