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

Bunbury, Western Australia· UNKNOWN
Bunbury has a medium demographic profile typical of Western Australia suburbsUpdated 3 Apr 2026

Liveability Score

5.8/10

Bunbury 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
6230
Highest high-risk exposure
20.4% of land (bushfire)

Demographics Analysis

Bunbury 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 Bunbury.

Climate risk is an increasingly important factor for property buyers evaluating suburbs like Bunbury. 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 Bunbury property to understand how climate projections may affect your investment.

Bunbury (postcode 6230) is tracked in ClimateNest's suburb hazard model, which maps the share of the suburb's land exposed to each hazard at high and moderate levels. The suburb's highest high-risk exposures are bushfire (20.4% of land in high-risk zones), surface flood (8% of land in high-risk zones), tropical cyclone (8% of land in high-risk zones). Exposure is not uniform across Bunbury — individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.

Adaptation & Mitigation Actions

Upgrade drainage infrastructure

Near-term

Improve drainage systems to reduce the risk of flooding in low-lying areas.

Est. cost: Medium

Implement coastal protection measures

Long-term

Construct seawalls and other coastal protection structures to protect against sea level rise and storm surge.

Est. cost: High

Develop a heatwave plan

Immediate

Implement a heatwave plan to protect vulnerable populations during extreme heat events.

Est. cost: Low

Promote bushfire preparedness

Near-term

Educate residents about bushfire safety and encourage them to prepare their properties for bushfires.

Est. cost: Low

Invest in renewable energy

Long-term

Transition to renewable energy sources to reduce greenhouse gas emissions and mitigate climate change.

Est. cost: High

Council & Emergency Services

City of Bunbury
Emergency Services

Data last updated: 3 April 2026

Explore Bunbury Risk Reports

Frequently Asked Questions

What is the population of Bunbury?

Population data for Bunbury 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 Bunbury?

The median age for Western Australia is 37 years according to the 2021 ABS Census, which serves as a reference point for Bunbury. 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 Bunbury?

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 Bunbury?

The demographic profile of Bunbury 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 Bunbury.

What share of Bunbury is exposed to high bushfire risk?

ClimateNest's hazard overlay maps 20.4% of Bunbury in high-risk zones for bushfire, with a further 52% in moderate-risk zones. Suburb-level exposure is not uniform — individual properties can differ from these averages, so an address-level check is recommended.

Is Bunbury Safe from Climate Risk?

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

Free instant previewCSIRO-powered data

What A$69 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$69 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections