Mardella, WA 6125 — Suburb Profile
Last reviewed: · By Knowburb Research Team
In short
Mardella is a suburb of Western Australia, postcode 6125, home to 446 residents with a settled, mature community. Located in the Serpentine-Jarrahdale local government area (Inner Regional Australia) and roughly 46 km from the Perth CBD.
Snapshot
Demographics
- Population
- 446
- Median age
- 45 years
- Median household income
- $2,288 /week
- Median personal income
- $918 /week
- Median family income
- $2,518 /week
- Average household size
- 3.0
- Persons per bedroom
- 0.8
- Local government area
- Serpentine-Jarrahdale
- Statistical region (SA4)
- Perth - South East
- Remoteness classification
- Inner Regional Australia
- Federal electorate
- Canning
Property & cost of living
- Median rent
- $380 /week
- Median monthly mortgage
- $2,500
- Rent share of household income
- 17%
Schools
- Eton Farm Primary School
- Mundijong Primary School
- Serpentine Primary School
Transport
Transport data refreshes monthly from state GTFS feeds.
Lifestyle & amenities
No cafes, shops, parks, gyms, libraries or playgrounds are listed in OpenStreetMap within roughly 2 km of this locality. Genuinely remote localities typically rely on services in the nearest town.
Climate
- Warmest month: Feb (32.1°C avg max)
- Coolest month: Jul (18.0°C avg max)
- Annual rainfall: 755 mm
- Reference station: Perth Airport, 48.9 km away
NBN & connectivity
Fixed Wireless serves 74.9% of the 219 resolvable premises in Mardella. Most premises here are served by NBN Fixed Wireless from a nearby tower. Speed is shared with neighbours and weather-sensitive; plans up to NBN 100 are available where signal allows.
- Fibre to the Premises: 6.8%
- Fibre to the Node: 16.0%
- Fixed Wireless: 74.9%
- Sky Muster (Satellite): 2.3%
Safety
- Recorded offences: 25,930 across the Armadale District in the year to Mar 2026 (stable on the prior year).
- Most common categories: 8,360 theft, 7,261 violent offences, 2,942 property damage.
Frequently asked questions
What is the population of Mardella?
Mardella (WA 6125) had 446 residents at the most recent ABS Census. The median age is 45. It sits within the Serpentine-Jarrahdale local government area.
What is the median rent in Mardella?
The median advertised rent in Mardella is $380/week, based on SQM Research listings data. Rents vary by property type, bedrooms and condition.
Are there schools in Mardella?
Yes — 3 schools are listed within or near Mardella covering independent, government sectors. Nearest include: Eton Farm Primary School (4.5 km), Mundijong Primary School (5 km), Serpentine Primary School (6 km). School data sourced from ACARA and state education departments.
What NBN technology is available in Mardella?
Mardella is predominantly served by Fixed Wireless (74.9% of premises). Coverage data is sourced from the NBN upgrade map aggregated from NBN Co address checks.
How safe is Mardella?
Across the surrounding area, 25,930 offences were recorded in the 12 months to Mar 2026. The most common offence categories were theft (8,360), violent (7,261), property damage (2,942). Crime statistics are recorded by area (postcode or LGA), not by individual suburb. Data sourced from each state's crime statistics agency.
What is the climate like in Mardella?
In Mardella, mean daily temperatures range from 12.2°C to 24.7°C and annual rainfall is 755 mm measured at the Perth Airport weather station (48.9 km away). Long-term averages from the Bureau of Meteorology.
Sources & methodology
Demographics from ABS Census. Property data from SQM Research. Climate from Bureau of Meteorology. Schools from ACARA. NBN from NBN Co. Amenities from OpenStreetMap. See full methodology.
Additional sources for this profile: