Thornlie Demographics: Population, Age & Income Profile (WA)
Is Thornlie Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Thornlie, Western Australia, covering flood, bushfire, sea level rise and more.
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Liveability Score
5.8Thornlie 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
- 6108
Demographics Analysis
Thornlie 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 Thornlie.
Climate risk is an increasingly important factor for property buyers evaluating suburbs like Thornlie. 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 Thornlie 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 Thornlie. An address-level check is what tells you about a specific property before you buy, sell or insure it.
Adaptation & Mitigation Actions
Upgrade Stormwater Infrastructure
Near-termInvest in upgrading stormwater drainage systems to handle increased rainfall intensity and reduce flood risk.
Est. cost: High
Implement Urban Greening Initiatives
Near-termIncrease tree canopy cover and green spaces to mitigate the urban heat island effect and provide shade during heatwaves.
Est. cost: Medium
Develop a Heat Action Plan
ImmediateCreate a comprehensive heat action plan to protect vulnerable populations during heatwaves, including cooling centers and community outreach programs.
Est. cost: Low
Promote Bushfire Preparedness
Near-termEducate residents on bushfire safety and preparedness, including property maintenance, evacuation plans, and fire danger ratings.
Est. cost: Low
Install Rainwater Tanks
Long-termEncourage residents to install rainwater tanks to reduce stormwater runoff and conserve water.
Est. cost: Medium
Council & Emergency Services
Explore Thornlie Risk Reports
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Frequently Asked Questions
What is the population of Thornlie?
Population data for Thornlie 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 Thornlie?
The median age for Western Australia is 37 years according to the 2021 ABS Census, which serves as a reference point for Thornlie. 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 Thornlie?
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 Thornlie?
The demographic profile of Thornlie 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 Thornlie.
Is Thornlie Safe from Climate Risk?
Enter your address below for an instant climate risk assessment for Thornlie, Western Australia, covering flood, bushfire, sea level rise and more.
What A$49 could save you from
*Industry sources: ICA, APRA, RBA
Full report from A$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections