Crystal Brook at a glance
Population
1,537
Median age 49
The brief
What to know about Crystal Brook.
The postcode for Crystal Brook is 5523 (SA).
Crystal Brook (5523) sits in the Barunga West region of South Australia.
Crystal Brook has roughly 1,537 residents, with an established, older skew. Households are mostly owner-occupied.
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Day to day
What it’s like to live here.
Schooling within or near the suburb covers 2 government primary, 1 government secondary, 1 Catholic.
Who lives here
Demographics.
The 2021 Census put Crystal Brook's population at 1,537, with a median age of 49. That sits as an established, older skew. Households are mostly owner-occupied (74% own, 21% rent), which shapes everything from school catchment stability to how often properties turn over. The household mix skews family-dominated (65% family households, 33% lone person), so amenity decisions tend to follow what families want: parks, schools, supermarkets.
Population
1,537
Median age
49
Family households
65%
Lone person
33%
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.
Rental and ownership
Weekly rent (house)
$360/wk
Weekly rent (unit)
$189/wk
Owner occupied
74%
Renter occupied
21%
At a deeper level
1,537
Median age: 49
Rental data as of March 2026· rental-sa
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Safety
Crime and safety.
16
total offences in 2025-26
Top offence categories
Crime statistics are reported at LGA level and may cover a broader area than this suburb.
Source: State Police Open Data
Crime data as of June 2026· State Police Open Data
Place
Location.
Amenities
Transport
Education
Schools in Crystal Brook.
Local schools for Crystal Brook
View the catchment for each school to find out more.
Government School Catchment
Crystal Brook Primary School
Gladstone High School
Gladstone Primary School
© ACARA, licensed under CC BY 4.0.
Frequently asked
About Crystal Brook.
- What is the Crystal Brook postcode?
- Crystal Brook is in the 5523 postcode, in SA, in the Barunga West region.
- Where is Crystal Brook?
- Crystal Brook is a regional suburb in SA, postcode 5523, in the Barunga West region.
- What is the average rent in Crystal Brook?
- The median weekly rent for houses is $360, for units it's $189.
- What schools are in Crystal Brook?
- There are 4 schools serving Crystal Brook on this page, including Crystal Brook Primary School, Gladstone High School, Gladstone Primary School.
- What suburbs are near Crystal Brook?
- Crystal Brook is close to Merriton, Nurom, Wandearah East, Narridy, Lower Broughton.
- What is the population of Crystal Brook?
- The population of Crystal Brook is approximately 1,537 (2021 Census). The median age is 49.
For Sale
Crystal Brook
Buying
Selling
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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