Western Australia · Postcode 6401
Northam postcode and suburb data
Western Australia · Phone area code 08 · 84 km from Perth
Suburb snapshot
Northam 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
Benchmarks against WA
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.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Northam vs the WA average and the national average, using population-weighted 2021 Census data.
| Metric | Northam | WA avg | AU 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
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 6401 |
| State | Western Australia (WA) |
| Phone Area Code | 08 |
| Population (2021) | 6,679 |
| Median Age | 42 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 Size | 2.3 persons |
| Area | 26.8 km² |
| Population Density | 249/km² |
| Total Dwellings | 2,484 |
| Australian Citizens | 84.3% |
| Indigenous Population | 557 (8.3%) |
| Unemployment Rate | 6.3% |
| SEIFA IRSAD Decile | 2/10 (well below average) |
| Latitude | -31.6478698 |
| Longitude | 116.6742108 |
| Distance from Perth | 84 km |
| Region (SA4) | Western Australia - Wheat Belt |
| Area (SA3) | Wheat Belt - North |
| Local Government | Northam |
| Federal Electorate | Pearce |
| State Electorate | Moore (Agricultural) |
| Time Zone | AWST (UTC+8), Australia/Perth (standard time) |
Age Profile
Show counts
| 0–14 years | 1,285 (19.2%) |
| 15–24 years | 795 (11.9%) |
| 25–44 years | 1,459 (21.8%) |
| 45–64 years | 1,735 (26.0%) |
| 65+ years | 1,406 (21.1%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Arthritis | 680 (10.2%) |
| Asthma | 575 (8.6%) |
| Diabetes | 509 (7.6%) |
| Heart Disease | 338 (5.1%) |
| Cancer | 205 (3.1%) |
| Lung Condition | 146 (2.2%) |
| Dementia | 53 (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 | 177 (7.3%) |
| 1 vehicle | 891 (36.6%) |
| 2 vehicles | 865 (35.5%) |
| 3+ vehicles | 501 (20.6%) |
Schools in Northam
ACARA 2025 school profiles for schools located in Northam. ICSEA is shown where ACARA publishes it.
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.