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Northbridge Postcode
Western Australia
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
How Northbridge Compares
Northbridge vs the WA average and the national average (2021 Census, population-weighted).
| Metric | Northbridge | WA avg | AU avg | Greater Perth |
|---|---|---|---|---|
| Household income/wk | $1,853 ≈WA | $1,891 | $1,836 | $1,962 |
| Rent/wk | $400 +WA | $355 | $390 | $378 |
| Mortgage/month | $1,690 -WA | $1,890 | $1,958 | $2,002 |
| Median age | 31 | 43.0 | 45.0 | 40.0 |
| SEIFA decile | 9/10 +WA | 6.0/10 | 6.0/10 | 8.0/10 |
| Unemployment | 5.2% ≈WA | 5.0% | 5.0% | 5.0% |
Green pill = at least 10% above the WA average; red = at least 10% below; grey = within 10%. For unemployment, colour polarity is inverted: lower is better.
Northbridge is a coastal suburb of Perth in Western Australia, with postcode 6003. It sits about 1 km from the Perth CBD, within the Perth local government area. The suburb footprint covers roughly 0.5 square kilometres.
According to the 2021 Census, Northbridge has a population of 1,420 with a median age of 31. The median weekly household income is $1,853, close to the WA average. The unemployment rate is 5.2%. The Indigenous population is 28 (2.0% of residents).
Housing in Northbridge includes a median weekly rent of $400, median monthly mortgage repayment of $1,690, with 604 total dwellings. These housing costs sit above the WA average. Rental properties account for 68.1% of dwellings.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Northbridge scores in decile 9 out of 10, which is well above the national average.
Northbridge is part of the Perth City statistical area in Western Australia.
Northbridge Details
| Postcode | 6003 |
| State | Western Australia (WA) |
| Phone Area Code | 08 |
| Population (2021) | 1,420 |
| Median Age | 31 years |
| Median Household Income (Census 2021) | $1,853/week |
| Median Personal Income (Census 2021) | $1,049/week |
| Median Weekly Rent (Census 2021) | $400 |
| Median Monthly Mortgage (Census 2021) | $1,690 |
| Average Household Size | 1.9 persons |
| Area | 0.5 km² |
| Population Density | 3148/km² |
| Total Dwellings | 604 |
| Australian Citizens | 50.6% |
| Indigenous Population | 28 (2.0%) |
| Unemployment Rate | 5.2% |
| SEIFA IRSAD Decile | 9/10 (well above average) |
| Latitude | -31.9436266 |
| Longitude | 115.8538427 |
| Distance from Perth | 1 km |
| Region (SA4) | Perth - Inner |
| Area (SA3) | Perth City |
| Local Government | Perth |
| Federal Electorate | Perth |
Age Profile
Show counts
| 0–14 years | 75 (5.3%) |
| 15–24 years | 200 (14.1%) |
| 25–44 years | 885 (62.3%) |
| 45–64 years | 201 (14.2%) |
| 65+ years | 55 (3.9%) |
Housing Tenure
SEIFA Socio-economic Index
Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 9 of 10. Higher deciles indicate more advantage.
Health Conditions (2021 Census)
| Asthma | 81 (5.7%) |
| Arthritis | 30 (2.1%) |
| Diabetes | 25 (1.8%) |
| Heart Disease | 14 (1.0%) |
| Cancer | 8 (0.6%) |
| Lung Condition | 3 (0.2%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 131 (22.3%) |
| 1 vehicle | 380 (64.7%) |
| 2 vehicles | 72 (12.3%) |
| 3+ vehicles | 4 (0.7%) |
Suburbs Near Northbridge
Same Postcode (6003)
More Northbridge 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.