South Kumminin Demographics: Population, Age & Income Profile (WA)

South Kumminin, Western Australia
South Kumminin is a suburb in Western Australia with demographic characteristics shaped by its location and housing stockUpdated 19 Sept 2026

Liveability Score

6.0/10

South Kumminin is a suburb in Western Australia with demographic characteristics shaped by its location and housing stock

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
6368
Highest high-risk exposure
12.5% of land (surface flood)

Demographics Analysis

South Kumminin 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. Understanding these demographics helps home buyers evaluate whether a suburb suits their lifestyle needs and investment goals.

The ABS reports that 27.1% of households in Western Australia are couples with children, while 25.3% are couples without children. Home ownership rates in Western Australia show 67.2% of households own their home, while 29.2% rent. These tenure patterns affect property turnover and neighbourhood stability.

For home buyers considering South Kumminin, demographic data provides valuable context for property decisions. Suburbs with younger median ages typically attract first home buyers and families, while established suburbs with higher owner-occupier rates often have lower turnover and more stable property values. The demographic profile also influences local amenity demand — from school provision to retail and healthcare services. ABS QuickStats provides the most detailed suburb-level demographic data for Western Australia.

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

South Kumminin (postcode 6368) 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 surface flood (12.5% of land in high-risk zones), bushfire (8.4% of land in high-risk zones), riverine flood (7.3% of land in high-risk zones). Exposure is not uniform across South Kumminin — individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.

Explore South Kumminin Risk Reports

Frequently Asked Questions

What is the population of South Kumminin?

Population data for South Kumminin 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 South Kumminin?

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

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 South Kumminin?

The demographic profile of South Kumminin 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 South Kumminin.

What share of South Kumminin is exposed to high surface flood risk?

ClimateNest's hazard overlay maps 12.5% of South Kumminin in high-risk zones for surface flood, with a further 63.3% 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 South Kumminin Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for South Kumminin, 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