Shire of Serpentine-Jarrahdale
Mardella
Mardella at a glance
Walk score
0
Very car dependent
Population
446
Median age 45
The brief
What to know about Mardella.
Mardella (6125) sits in the Serpentine-Jarrahdale region of Western Australia.
Mardella has roughly 446 residents, with an established, older skew. Households are predominantly owner-occupied. Daily life is car-dependent: most residents drive to work, school and the shops.
Day to day
What it’s like to live here.
Mardella scores 0/100 on walkability, which makes it car-dependent with limited public transport. Plan for two cars in a typical household, especially if work isn't local.
Summer days here average around 31°C (warm), winter mornings around 8°C (mild). Annual rainfall lands at about 724mm. Data comes from the Bureau of Meteorology's Mandurah station, 11.3km away.
Schooling within or near the suburb covers 3 government primary, 2 independent.
Who lives here
Demographics.
The 2021 Census put Mardella's population at 446, with a median age of 45. That sits as an established, older skew. Households are predominantly owner-occupied (79% own, 13% rent), which shapes everything from school catchment stability to how often properties turn over. The household mix skews family-dominated (80% family households, 17% lone person), so amenity decisions tend to follow what families want: parks, schools, supermarkets.
Population
446
Median age
45
Family households
80%
Lone person
17%
Demographics data as of May 2026· ABS 2021 Census
Market
The price of a home here.
Median house price
Verified median pending
We don't yet have a verified suburb-level median for this market. We're working on a data partner; in the meantime, treat the state-level figures as a guide only. How we source data.
Sales data as of May 2026· sales-wa
Rental and ownership
Weekly rent (house)
$350/wk
Weekly rent (unit)
$380/wk
Owner occupied
79%
Renter occupied
13%
At a deeper level
446
Median age: 45
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Getting around
Walkability.
0
0
0
Scores calculated from OpenStreetMap data (ODbL)
Walkability data as of May 2026· OpenStreetMap
Place
Location.
Amenities
Transport
Education
Schools in Mardella.
Local schools for Mardella
View the catchment for each school to find out more.
Government School Catchment
Serpentine Primary School
Mundijong Primary School
Jarrahdale Primary School
© ACARA, licensed under CC BY 4.0.
Climate
Weather year-round.
Annual Rainfall
724 mm
Hottest Month (avg max)
31.7°C
Coldest Month (avg min)
8.1°C
Monthly Rainfall (mm)
Weather data from BOM station Mandurah (11 km away)
Climate data as of May 2026· Bureau of Meteorology
Frequently asked
About Mardella.
- What is the Mardella postcode?
- Mardella is in the 6125 postcode, in WA, in the Shire of Serpentine-Jarrahdale region.
- What is the average rent in Mardella?
- The median weekly rent for houses is $350, for units it's $380.
- What schools are in Mardella?
- There are 5 schools serving Mardella on this page, including Eton Farm Primary School, Serpentine Primary School, Mundijong Primary School.
- How walkable is Mardella?
- Mardella has a Walk Score of 0 out of 100, highly car-dependent. transit score 0, bike score 0.
- What suburbs are near Mardella?
- Mardella is close to Serpentine, Mundijong, Hopeland, Whitby, Cardup.
- What is the population of Mardella?
- Mardella has approximately 446 residents. The median age is 45.
Mardella
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Sources cited
Median, growth and rental data from state revenue offices and ABS. Census from ABS 2021. Climate from BoM. Hazard from Geoscience Australia. School data from ACARA. Crime from state police open data. Full methodology →
Always dated
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