Northam Postcode

Western Australia

Outer Regional Bottom 20% SEIFA
6401
Postcode for Northam, WA
Phone area code: 08 · 84 km from Perth · Pop. 6,679
6,679
Population
42
Median Age
$1,246
Household Income/wk
$250
Median Rent/wk
2/10
SEIFA Advantage
26.8
Area (km²)

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

Where Northam ranks: SEIFA decile 2 places it in the bottom 20% of Australia for socio-economic advantage.

How Northam Compares

Northam vs the WA average and the national average (2021 Census, population-weighted).

MetricNorthamWA avgAU avg
Household income/wk $1,246 -WA $1,891 $1,836
Rent/wk $250 -WA $355 $390
Mortgage/month $1,300 -WA $1,890 $1,958
Median age 42 43.0 45.0
SEIFA decile 2/10 -WA 6.0/10 6.0/10
Unemployment 6.3% +WA 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.

Northam is a locality 84 km from Perth in Western Australia, classified as outer regional by the ABS. The postcode is 6401. It falls within the Western Australia - Wheat Belt region. The local government area is Northam.

According to the 2021 Census, Northam has a population of 6,679 with a median age of 42. The median weekly household income is $1,246, below the WA average. The unemployment rate is 6.3%, higher than the WA average. The Indigenous population is 557 (8.3% of residents).

Housing in Northam includes a median weekly rent of $250, median monthly mortgage repayment of $1,300, with 2,484 total dwellings. Housing costs in the area sit below the WA average. Owner-occupied dwellings (owned or mortgaged) make up 68.9% of housing.

On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Northam scores in decile 2 out of 10, which is well below the national average.

There are 6 schools in the Northam area, including St Joseph's School, Northam Senior High School, Northam Primary School and others.

Northam is part of the Wheat Belt - North statistical area in Western Australia.

Northam Details

Postcode6401
StateWestern Australia (WA)
Phone Area Code08
Population (2021)6,679
Median Age42 years
Median Household Income (Census 2021)$1,246/week
Median Personal Income (Census 2021)$653/week
Median Weekly Rent (Census 2021)$250
Median Monthly Mortgage (Census 2021)$1,300
Average Household Size2.3 persons
Area26.8 km²
Population Density249/km²
Total Dwellings2,484
Australian Citizens84.3%
Indigenous Population557 (8.3%)
Unemployment Rate6.3%
SEIFA IRSAD Decile2/10 (well below average)
Latitude-31.6478698
Longitude116.6742108
Distance from Perth84 km
Region (SA4)Western Australia - Wheat Belt
Area (SA3)Wheat Belt - North
Local GovernmentNortham
Federal ElectoratePearce

Age Profile

0–14 (19.2%) 15–24 (11.9%) 25–44 (21.8%) 45–64 (26.0%) 65+ (21.1%)
Show counts
0–14 years1,285 (19.2%)
15–24 years795 (11.9%)
25–44 years1,459 (21.8%)
45–64 years1,735 (26.0%)
65+ years1,406 (21.1%)

Housing Tenure

Owned outright (36.1%) Mortgaged (32.9%) Rented (31.1%)

SEIFA Socio-economic Index

Index of Relative Socio-economic Advantage and Disadvantage (IRSAD), decile 2 of 10. Higher deciles indicate more advantage.

Health Conditions (2021 Census)

Arthritis680 (10.2%)
Asthma575 (8.6%)
Diabetes509 (7.6%)
Heart Disease338 (5.1%)
Cancer205 (3.1%)
Lung Condition146 (2.2%)
Dementia53 (0.8%)

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

Motor Vehicles per Dwelling

No vehicle177 (7.3%)
1 vehicle891 (36.6%)
2 vehicles865 (35.5%)
3+ vehicles501 (20.6%)

Schools in Northam

St Joseph's School
Combined · Cat · ICSEA 1013 · 721 students
Northam Senior High School
Secondary · Gov · ICSEA 898 · 669 students
Northam Primary School
Primary · Gov · ICSEA 937 · 325 students
West Northam Primary School
Primary · Gov · ICSEA 803 · 130 students
Avonvale Primary School
Primary · Gov · ICSEA 745 · 117 students
Avonvale Education Support Centre
Special · Gov · ICSEA 932 · 40 students

Suburbs Near Northam

Same Postcode (6401)

More Northam 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.