O B Flat at a glance
Walk score
2
Very car dependent
Population
10.2k
Median age 43
The brief
What to know about O B Flat.
The postcode for O B Flat is 5291 (SA).
O B Flat (5291) sits in the Wattle Range region of South Australia.
O B Flat has roughly 10,151 residents, with an established, older skew. Households are dominated by renters. 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.
O B Flat 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 7 government primary, 2 government secondary, 1 Catholic, 1 independent.
Who lives here
Demographics.
The 2021 Census put O B Flat's population at 10,151, with a median age of 43. That sits as an established, older skew.
Population
10,151
Median age
43
Family households
–
Lone person
–
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.
Rental and ownership
Weekly rent (house)
$220/wk
Weekly rent (unit)
$187/wk
Owner occupied
–
Renter occupied
–
At a deeper level
10,151
Median age: 43
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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 O B Flat.
Local schools for O B Flat
View the catchment for each school to find out more.
Government School Catchment
Yahl Primary School
Grant High School
Moorak Primary School
© ACARA, licensed under CC BY 4.0.
Frequently asked
About O B Flat.
- What is the O B Flat postcode?
- O B Flat is in the 5291 postcode, in SA, in the Wattle Range region.
- Where is O B Flat?
- O B Flat is a regional suburb in SA, postcode 5291, in the Wattle Range region.
- What is the average rent in O B Flat?
- The median weekly rent for houses is $220, for units it's $187.
- What schools are in O B Flat?
- There are 12 schools serving O B Flat on this page, including Yahl Primary School, Grant High School, Moorak Primary School.
- How walkable is O B Flat?
- O B Flat has a Walk Score of 2 out of 100, highly car-dependent. transit score 0, bike score 0.
- What suburbs are near O B Flat?
- O B Flat is close to Ob Flat, Square Mile, Yahl, Mount Schank, Moorak.
- What is the population of O B Flat?
- The population of O B Flat is approximately 10,151 (2021 Census). The median age is 43.
For Sale
O B Flat
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Surrounding Suburbs
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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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