📮 Rossmoyne postcode: 6148

Rossmoyne Demographics: Population, Age & Income Profile (WA)

Rossmoyne, Western Australia· City of Melville· 6148
Rossmoyne has a medium demographic profile typical of Western Australia suburbsUpdated 18 Mar 2026

Is Rossmoyne Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Rossmoyne, Western Australia, covering flood, bushfire, sea level rise and more.

Free instant previewCSIRO-powered data

What A$49 could save you from

$7.2B
2022 insured disaster losses*
$300B+
climate risk to property by 2050*
30-120%
insurance premium increases in high-risk areas*

*Industry sources: ICA, APRA, RBA

Full report from A$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections

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Liveability Score

5.2

Rossmoyne has a medium demographic profile typical of Western Australia suburbs

Key Facts

Median Age
37 years (state avg)
Median Household Income
$1,496/wk (state avg)
Families with Children
27.1% of households
Home Ownership
67.2% own — 29.2% rent
Postcode
6148

Demographics Analysis

Rossmoyne in Western Australia reflects the broader demographic characteristics of the region. According to the Australian Bureau of Statistics (ABS) 2021 Census, the typical household in Western Australia has a median weekly income of around $1,496, with a median age of 37 years.

The ABS reports that 27.1% of households in Western Australia are couples with children, while 25.3% are couples without children. Lone person households account for 22.9% of households. This family composition data helps home buyers understand the neighbourhood character and amenity demand.

Home ownership rates in Western Australia show that 67.2% of households own their home (with or without a mortgage), while 29.2% rent. These tenure patterns affect property turnover rates, rental demand, and neighbourhood stability — all important factors for home buyers evaluating Rossmoyne.

Climate risk is an increasingly important factor for property buyers evaluating suburbs like Rossmoyne. Different demographic groups face different climate exposure profiles — families may prioritise heat safety near schools, while retirees may be more concerned about insurance costs in flood-prone areas. Get an address-level climate risk report for your Rossmoyne property to understand how climate projections may affect your investment.

ClimateNest assesses hazards at the address rather than the suburb, because exposure varies street by street within Rossmoyne. An address-level check is what tells you about a specific property before you buy, sell or insure it.

Adaptation & Mitigation Actions

Improve Drainage Infrastructure

Near-term

Upgrade drainage systems to handle increased rainfall and reduce flood risk.

Est. cost: Medium

Develop a Heatwave Management Plan

Immediate

Implement strategies to protect vulnerable residents during heatwaves, such as cooling centers and public awareness campaigns.

Est. cost: Low

Strengthen Coastal Defenses

Long-term

Construct or reinforce seawalls and other coastal defenses to protect against sea level rise and storm surges.

Est. cost: High

Promote Water Conservation

Near-term

Encourage residents to conserve water through rebates and education programs to reduce strain on water resources during droughts.

Est. cost: Low

Bushfire Preparedness Education

Near-term

Provide education and resources to residents on how to prepare for and respond to bushfires.

Est. cost: Low

Council & Emergency Services

City of Melville
Emergency Services

Data last updated: 18 March 2026

Explore Rossmoyne Risk Reports

Frequently Asked Questions

What is the population of Rossmoyne?

Population data for Rossmoyne comes from the ABS 2021 Census, the most recent national census. For the most current suburb-level population data, refer to ABS QuickStats or consult the Western Australia state government's population projections. Understanding population trends helps home buyers assess housing demand, infrastructure investment, and neighbourhood character.

What is the median age in Rossmoyne?

The median age for Western Australia is 37 years according to the 2021 ABS Census, which serves as a reference point for Rossmoyne. A younger median age often indicates more families and first home buyers, while older demographics suggest established households and potentially lower turnover. Both have implications for property demand and investment strategy.

What is the average household income in Rossmoyne?

The median weekly household income in Western Australia is $1,496 per week (ABS 2021 Census). Household income affects serviceability for mortgage lending, rental affordability, and the type of housing stock in demand within a suburb. Higher-income areas typically support stronger property values and faster capital growth. Combine demographic research with a climate risk report from ClimateNest for a complete property assessment.

What type of people live in Rossmoyne?

The demographic profile of Rossmoyne is broadly shaped by its location within Western Australia. According to the ABS Census, 27.1% of households in the state are couples with children, while 25.3% are couples without children. The overall population of Western Australia has a median age of 37 — use this as context when assessing the demographic character of Rossmoyne.

Is Rossmoyne Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Rossmoyne, Western Australia, covering flood, bushfire, sea level rise and more.

Free instant previewCSIRO-powered data

What A$49 could save you from

$7.2B
2022 insured disaster losses*
$300B+
climate risk to property by 2050*
30-120%
insurance premium increases in high-risk areas*

*Industry sources: ICA, APRA, RBA

Full report from A$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections