Oldbury, WA 6121
Shire of Serpentine-JarrahdaleAll suburbs in postcode 6121
Updated
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
Selling in Oldbury?
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Rent in Oldbury
- Weekly rent (house)
- $375/wk
- Weekly rent (unit)
- $300/wk
Rental data as of April 2026
Free appraisal in Oldbury
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What to know about Oldbury
Oldbury (6121) sits in the Serpentine-Jarrahdale region of Western Australia.
Oldbury has roughly 296 residents, with an established, older skew. Households are mostly owner-occupied. Daily life is car-dependent: most residents drive to work, school and the shops.
What it’s like to live here
Oldbury 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 9°C (mild). Annual rainfall lands at about 782 mm. Figures are our 1991 to 2020 averages of SILO data for this location (Queensland Government, built from Bureau of Meteorology observations).
Schooling within or near the suburb covers 12 government primary, 2 government secondary, 2 Catholic, 4 independent.
Schools in Oldbury
Location
Walkability
- Walk
- 0/100
- Transit
- 0/100
- Bike
- 0/100
Very car dependent. Scores out of 100, calculated from OpenStreetMap data (ODbL).
Walkability data as of May 2026· OpenStreetMap
Demographics
The 2021 Census put Oldbury's population at 296, with a median age of 50. That sits as an established, older skew. Households are mostly owner-occupied (69% own, 20% rent), which shapes everything from school catchment stability to how often properties turn over. The household mix skews family-dominated (77% family households, 22% lone person), so amenity decisions tend to follow what families want: parks, schools, supermarkets.
- Population
- 296
- Median age
- 50
- Family households
- 77%
- Lone person
- 22%
- Owner occupied
- 69%
- Renter occupied
- 20%
Demographics data as of May 2026· ABS 2021 Census
Weather year-round
- Annual rainfall
- 782 mm
- Hottest month, avg max
- 31.4°C
- Coldest month, avg min
- 8.7°C
Rainfall by month
Our 1991 to 2020 averages of SILO data (Queensland Government, built from Bureau of Meteorology observations, CC BY 4.0) for this location.
Climate data as of October 2026· SILO (Queensland Government), from Bureau of Meteorology observations
Questions about Oldbury
- What is the Oldbury postcode?
- Oldbury is in the 6121 postcode, in WA, in the Shire of Serpentine-Jarrahdale region.
- Where is Oldbury?
- Oldbury is a suburb in the Shire of Serpentine-Jarrahdale area, WA 6121.
- What is the average rent in Oldbury?
- The median weekly rent for houses is $375, for units it's $300.
- What schools are in Oldbury?
- There are 20 schools serving Oldbury on this page, including Wellard Primary School, Bertram Primary School, The King's College.
- How walkable is Oldbury?
- Oldbury has a Walk Score of 0 out of 100, highly car-dependent. transit score 0, bike score 0.
- What suburbs are near Oldbury?
- Oldbury is close to Casuarina, Wellard, Bertram, Oakford, Anketell.
- What is the population of Oldbury?
- The population of Oldbury is approximately 296 (2021 Census). The median age is 50.
Selling in Oldbury? Get the free selling guide
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Selling in WA
Sources. House and unit medians from the NSW Valuer General, Land Victoria, the SA Government and the ABS; rents from the state rental bond authorities. Census from the ABS (2021), climate from the Bureau of Meteorology, hazard from Geoscience Australia, schools from ACARA and crime from state police open data. Each figure carries its source and date. How we source data
How we’re paid. The guides and this page are free. When a seller asks, we introduce one local agent, and the agent pays us a flat fee for the introduction, never a share of their commission; it costs the seller nothing. If a figure looks wrong, tell us and we’ll fix it.