Thornlie WA

Postcode 6108 · Gosnells LGA

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. The most common occupations are technicians & trades, professionals, clerical & administrative. 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 $600. This gives a gross rental yield of approximately 5.2%. 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 5.2%, 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.

INVESTMENT SIGNALS
Rental Yield5.2% High Yield
Price vs State$605K/$951K Below Median
Affordability7.4x Moderate
Price Momentum+24.2% Rising
INCOME (ATO 2022-23)
Median Income$55,520
Mean Income$63,667
Earners15,767
YoY Change+4.3%
SEIFA INDEX (ABS)
Advantage3/10
Education4/10
Economic4/10
Disadvantage4/10
MEDIAN HOUSE
$605K
24.2% YoY
MEDIAN UNIT
$353K
13% YoY
MEDIAN RENT /WK
$330
POPULATION
23,665
DEMOGRAPHICS
Median Age38
Household Size2.7
HH Income /wk$1,571
Personal Income /wk$682
Mortgage /mth$1,625
TRANSPORT
Bus Stops122
SCHOOLS (7)
Avg ICSEA994
Total Students4,161
Government5
Independent1
Catholic1
Thornlie Senior High SchoolSecondary · Government · ICSEA 969
Australian Islamic College (Thornlie)Combined · Independent · ICSEA 1019
Forest Crescent Primary SchoolPrimary · Government · ICSEA 1011
Thornlie Primary SchoolPrimary · Government · ICSEA 941
South Thornlie Primary SchoolPrimary · Government · ICSEA 997
Data: 2024