Thornlie WA 6108
Thornlie is in Gosnells LGA, WA, postcode 6108, with population 23,665.
Strong evidence
Thornlie has enough direct local evidence for a first-pass decision.
Direct signals include Property prices, Market rent, Schools, and Transport. Missing or weaker areas are still shown so the page does not overstate precision.
Weekly rent screens at about 60% of annual income. Income and rent use area-level data, so household-level affordability can differ.
Open matching rent ranking →515 latest-year approvals in Gosnells, +0.0% YoY; population +1.9% YoY (2.2% 5yr).
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QuickProperty mixes release files, Census baselines, and matched local services on this page. Read the status panel before treating every metric as equally fresh.
Release-based suburb price series, not a live market feed
Use current rent as a starting signal, not as a fixed underwriting truth.
Schools, transport, and hospitals are useful as presence signals, but they still have different source cadences.
Income-stretched rent market
Weekly rent screens at about 60% of annual income. Snapshot rent $640/wk.
Income and rent use area-level data, so household-level affordability can differ.
Thornlie has enough direct local evidence for a first-pass decision.
Direct signals include Property prices, Market rent, Schools, and Transport. Missing or weaker areas are still shown so the page does not overstate precision.
Use compare to test the suburb against another candidate, then validate financial assumptions in the calculator where available.
Property prices, Market rent, Schools, Transport
No fallback or lower-precision signals flagged.
Crime, Hospitals
Thornlie currently reads as a growth-momentum candidate with a income-first secondary angle.
Gross yield screens at about 5.5%. Entry price sits in the lower-cost range for a first-pass screen. No major decision caution is visible from the current evidence layer.
Compare it against a contrasting suburb before turning it into a decision.
Gross yield screens at about 5.5%. Entry price sits in the lower-cost range for a first-pass screen. Population scale is large enough to avoid reading this as a tiny locality only.
No major caution is visible beyond the normal source checks.
No decisive evidence gap was detected from the current inputs.
Compare-ready
- Buyers want a quick sense of price, schools, and neighbourhood scale before getting lost in data.
- Investors want to know whether rent, yield, and affordability broadly support the suburb story.
- Researchers want one place that ties property, demographics, transport, and services together.
Price history
Full data detail
Thornlie WA
Thornlie is a large suburb in Western Australia within the Gosnells local government area (postcode 6108). With a population of 23,665, the suburb has an established demographic with a median age of 38. Households earn a median income of $82K per year, with an average household size of 2.7 people. Recent annual estimates show population movement into the broader catchment, with population growth running at +1.9% year-on-year at the LGA level. WA employment has moved +1.1% year-on-year in the official Jobs and Skills Australia NERO series, which provides the broader jobs backdrop for this suburb. WA also had 31 Commonwealth-backed major projects under construction, 7 underway, and 16 in planning as at 2 October 2024, which is useful as a broader delivery backdrop rather than a suburb-specific project count. The most common occupations are technicians & trades, professionals, clerical & administrative. Employment in the area leans toward healthcare and retail trade. The top ancestries reported are English, Australian, Chinese.
The median house price in Thornlie is $605,000, having surged 24.2% over the past year. Units have a median price of $353,000 (+13% YoY). The current median weekly rent is $640. This gives a gross rental yield of approximately 5.5%. The median monthly mortgage repayment is $1,625.
Thornlie is served by 7 schools, including 5 primary, 1 secondary, 1 combined. The average ICSEA score is 994, which is around the national average of 1,000. Public transport access includes 122 bus stops.
From an investment perspective, Thornlie offers a gross rental yield of 5.5%, rated as high yield. Property prices sit below the state median ($605K/$951K), suggesting a potential value opportunity. The price-to-income ratio of 7.4x is considered moderate. House prices have moved +24.2% year-on-year. Population growth of +1.9% year-on-year indicates stable demand fundamentals. Building approvals have changed +0% year-on-year, indicating steady development activity.
Thornlie is a large suburb in Western Australia within the Gosnells local government area (postcode 6108). With a population of 23,665, the suburb has an established demographic with a median age of 38. Households earn a median income of $82K per year, with an average household size of 2.7 people. Recent annual estimates show population movement into the broader catchment, with population growth running at +1.9% year-on-year at the LGA level. WA employment has moved +1.1% year-on-year in the official Jobs and Skills Australia NERO series, which provides the broader jobs backdrop for this suburb. WA also had 31 Commonwealth-backed major projects under construction, 7 underway, and 16 in planning as at 2 October 2024, which is useful as a broader delivery backdrop rather than a suburb-specific project count. The most common occupations are technicians & trades, professionals, clerical & administrative. Employment in the area leans toward healthcare and retail trade. The top ancestries reported are English, Australian, Chinese.
The median house price in Thornlie is $605,000, having surged 24.2% over the past year. Units have a median price of $353,000 (+13% YoY). The current median weekly rent is $640. This gives a gross rental yield of approximately 5.5%. The median monthly mortgage repayment is $1,625.
Thornlie is served by 7 schools, including 5 primary, 1 secondary, 1 combined. The average ICSEA score is 994, which is around the national average of 1,000. Public transport access includes 122 bus stops.
From an investment perspective, Thornlie offers a gross rental yield of 5.5%, rated as high yield. Property prices sit below the state median ($605K/$951K), suggesting a potential value opportunity. The price-to-income ratio of 7.4x is considered moderate. House prices have moved +24.2% year-on-year. Population growth of +1.9% year-on-year indicates stable demand fundamentals. Building approvals have changed +0% year-on-year, indicating steady development activity.
Thornlie FAQ
Common questions-
What LGA is Thornlie in?
Thornlie is in the Gosnells Local Government Area, WA, postcode 6108. Council-level context for Gosnells LGA (suburb mix, population, rent, and price coverage) is available on the QuickProperty LGA page.
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What is the median house price in Thornlie?
The current median house price in Thornlie, WA is $605K, based on the latest available sales data from state Valuers General offices and ABS Data by Region.
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What is the typical weekly rent in Thornlie?
The median weekly rent in Thornlie is $640/wk, based on the current market rent dataset. The current rent signal is income-stretched rent market.
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What does the rent signal say about Thornlie?
Income-stretched rent market: Weekly rent screens at about 60% of annual income. Use this as a suburb screening signal before comparing candidates or modelling a purchase; the matching rent ranking can provide broader market context.
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Is Thornlie a good investment?
QuickProperty's investment signals for Thornlie show: High Yield, Below Median, Moderate. These are computed from price, rent, income, and population data — not an opaque score.
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Where does QuickProperty get its data for Thornlie?
Property prices come from state Valuers General offices and ABS Data by Region. Demographics are from ABS Census 2021. School ICSEA scores are from ACARA. Crime statistics are from state police agencies. Transport data is sourced from GTFS feeds.
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How often is the Thornlie data updated?
Property prices update quarterly. RBA macro indicators update with each deploy. Demographics are from Census 2021. School ICSEA scores are from ACARA 2025.