Western Australia · Postcode 6003

Northbridge postcode and suburb data

Western Australia · Phone area code 08 · 1 km from Perth

CoastalMetro Top 10% SEIFA
1,420
Population (2021)
$1,853
Household income/wk
$400
Median rent/wk
31
Median age
9/10
SEIFA advantage

Suburb snapshot

Northbridge at a glance vs WA

Fast facts and benchmark bars show the suburb's key postcode, Census, SEIFA, school and LGA signals in context.

Quick facts

6003 Postcode See every suburb sharing this postcode
1,420 People Resident population, Census 2021
Perth Council area 8 suburbs, 8 postcodes
31 Median age Years, Census 2021
$1,853/wk Household income Suburb median, Census 2021 dollars
Decile 9/10 SEIFA advantage Very high advantage

Benchmarks against WA

Household income
$1,853/wk
2% below WA average
Suburb median, Census 2021
Weekly rent
$400/wk
13% above WA average
Suburb median, Census 2021
SEIFA advantage
9/10
3.0 deciles above WA average
IRSAD decile, higher means more advantage
Median age
31 years
12.0 years younger than WA average
Resident median age
Unemployment
5.2%
0.2 pts above WA average
Census labour-force rate

Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.

Where Northbridge ranks: rents are among the top 10% in WA; SEIFA decile 9 puts it in the top 20% of Australia for socio-economic advantage.

ABS Census 2021 · SEIFA 2021

Detailed comparison table

Northbridge vs the WA average and the national average, using population-weighted 2021 Census data.

MetricNorthbridgeWA avgAU avgGreater 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

Location, Census, housing, SEIFA and geography fields used across this profile.

Postcode6003
StateWestern Australia (WA)
Phone Area Code08
Population (2021)1,420
Median Age31 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 Size1.9 persons
Area0.5 km²
Population Density3148/km²
Total Dwellings604
Australian Citizens50.6%
Indigenous Population28 (2.0%)
Unemployment Rate5.2%
SEIFA IRSAD Decile9/10 (well above average)
Latitude-31.9436266
Longitude115.8538427
Distance from Perth1 km
Region (SA4)Perth - Inner
Area (SA3)Perth City
Local GovernmentPerth
Federal ElectoratePerth
State ElectoratePerth (North Metropolitan)
Time ZoneAWST (UTC+8), Australia/Perth (standard time)

Age Profile

0–14 (5.3%) 15–24 (14.1%) 25–44 (62.3%) 45–64 (14.2%) 65+ (3.9%)
Show counts
0–14 years75 (5.3%)
15–24 years200 (14.1%)
25–44 years885 (62.3%)
45–64 years201 (14.2%)
65+ years55 (3.9%)

Housing Tenure

Owned outright (10.3%) Mortgaged (21.5%) Rented (68.1%)

SEIFA socio-economic index

Northbridge is in SEIFA IRSAD decile 9 of 10. Higher deciles indicate more relative socio-economic advantage. This is an area-level index, not a score for individual households.
More disadvantagedMiddle rangeMore advantaged

Health Conditions (2021 Census)

Asthma81 (5.7%)
Arthritis30 (2.1%)
Diabetes25 (1.8%)
Heart Disease14 (1.0%)
Cancer8 (0.6%)
Lung Condition3 (0.2%)

Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.

Motor Vehicles per Dwelling

No vehicle131 (22.3%)
1 vehicle380 (64.7%)
2 vehicles72 (12.3%)
3+ vehicles4 (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.