William Bay at a glance
Walk score
2
Very car dependent
Population
164
Median age 51
The brief
What to know about William Bay.
The postcode for William Bay is 6333 (WA).
William Bay (6333) sits in the Denmark region of Western Australia.
William Bay has roughly 164 residents, with a retiree-heavy demographic. Households are mostly owner-occupied. Daily life is car-dependent: most residents drive to work, school and the shops.
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Day to day
What it’s like to live here.
William Bay scores 2/100 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.
Schooling within or near the suburb covers 1 government primary, 2 government secondary, 2 independent.
Who lives here
Demographics.
The 2021 Census put William Bay's population at 164, with a median age of 51. That sits as a retiree-heavy demographic. Households are mostly owner-occupied (72% own, 11% rent), which shapes everything from school catchment stability to how often properties turn over. The household mix skews family-dominated (75% family households, 19% lone person), so amenity decisions tend to follow what families want: parks, schools, supermarkets.
Population
164
Median age
51
Family households
75%
Lone person
19%
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)
$300/wk
Weekly rent (unit)
$275/wk
Owner occupied
72%
Renter occupied
11%
At a deeper level
164
Median age: 51
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Getting around
Walkability.
2
0
0
Scores calculated from OpenStreetMap data (ODbL)
Walkability data as of May 2026· OpenStreetMap
Place
Location.
Amenities
Transport
Nearby suburbs
Education
Schools in William Bay.
Local schools for William Bay
View the catchment for each school to find out more.
Government School Catchment
Denmark Primary School
Denmark Senior High School
Western Australian College Of Agriculture - Denmark
© ACARA, licensed under CC BY 4.0.
Frequently asked
About William Bay.
- What is the William Bay postcode?
- William Bay is in the 6333 postcode, in WA, in the Denmark region.
- Where is William Bay?
- William Bay is a regional suburb in WA, postcode 6333, in the Denmark region.
- What is the average rent in William Bay?
- The median weekly rent for houses is $300, for units it's $275.
- What schools are in William Bay?
- There are 5 schools serving William Bay on this page, including Denmark Primary School, Kwoorabup Community School, Golden Hill Steiner School.
- How walkable is William Bay?
- William Bay has a Walk Score of 2 out of 100, highly car-dependent. transit score 0, bike score 0.
- What suburbs are near William Bay?
- William Bay is close to Shadforth, Parryville, Scotsdale, Ocean Beach, Kordabup.
- What is the population of William Bay?
- The population of William Bay is approximately 164 (2021 Census). The median age is 51.
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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 →
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