Suburb profile · ABS Census 2021
Crystal Brook suburb profile
Crystal Brook, SA · Postcode 5523
This Crystal Brook suburb profile summarises official Australian Bureau of Statistics Census 2021 data for Crystal Brook, SA (postcode 5523). Use it as a free suburb report covering population, median rent, household income, age, housing tenure and employment, plus how those figures changed since Census 2016— then compare Crystal Brook with nearby suburbs.
Crystal Brook at a glance
Population
1,537
Median rent
$189/wk
Household income
$1,011/wk
Median age
49
Crystal Brook trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
Census 2011 → 2016 → 2021
+7.3% over 10 years
Population
1,537
was 1,515 in 2016
+22 · +1.5%
Median rent
$189/wk
was $176/wk in 2016
+$13 · +7.4%
Household income
$1,011/wk
was $928/wk in 2016
+$83 · +8.9%
Median age
49
was 48 in 2016
+1 · +2.1%
Dig deeper: Crystal Brook population growth · Crystal Brook then and now
Crystal Brook vs nearby & SA
Median Census 2021 figures for Crystal Brook, nearby suburbs (8), and the SA state median (suburbs with 1,000+ people).
Rent
-40.9% vs area
- Crystal Brook$189/wk
- Nearby$197.5/wk
- SA$320/wk
Household income
-35.2% vs area
- Crystal Brook$1,011/wk
- Nearby$1,120.5/wk
- SA$1,559/wk
Median age
+19.5% vs area
- Crystal Brook49
- Nearby43.5
- SA41
Personal income
-28.7% vs area
- Crystal Brook$557/wk
- Nearby$555/wk
- SA$781/wk
Nearby uses the same postcode first, then larger suburbs in SA.
Socio-economic profile
How Crystal Brook compares to other Australian suburbs on income, education and occupation — from official ABS SEIFA 2021 data.
Crystal Brook sits below average for socio-economic advantage compared with suburbs Australia-wide. It shows limited economic resources and lower education and occupation levels.
Relative disadvantage (IRSD)
Decile 3955.4
Lower score / decile = more relative disadvantage
Advantage & disadvantage (IRSAD)
Decile 3928
Higher score / decile = more relative advantage
Economic resources (IER)
Decile 2944.4
Access to economic resources (income, housing)
Education & occupation (IEO)
Decile 3929.5
Education and occupational skill levels
Source: ABS SEIFA 2021. See methodology.
Crystal Brook on the map
OpenStreetMap outline for Crystal Brook, SA.
Map data © OpenStreetMap contributors. Boundary matching is approximate.
Crystal Brook people
- Population
- 1,537
- Median age
- 49
- Born overseas
- 7.3%
- Average household size
- 2.3
Total usual residents (Census 2021)
Median age of residents in years
Percentage born outside Australia
Average number of people per household
Crystal Brook income
- Median household income
- $1,011/wk
- Median personal income
- $557/wk
Median total weekly household income
Median total weekly personal income
Crystal Brook housing
- Median rent
- $189/wk
- Median mortgage repayment
- $975/mo
- Separate houses
- 79.1%
- Flats & apartments
- 0%
- Owned outright
- 38.5%
- Mortgaged
- 26%
- Rented
- 18.5%
- Unoccupied dwellings
- 13.6%
Median weekly rent for rented dwellings
Median monthly mortgage repayment
Percentage of dwellings that are separate houses
Percentage of dwellings that are flats or apartments
Percentage of dwellings owned without a mortgage
Percentage of dwellings with a mortgage
Percentage of dwellings rented
Percentage of private dwellings unoccupied on Census night
Crystal Brook work
- Employment to population
- 47%
- Unemployment rate
- 3.3%
- Year 12 or above
- 38%
Employed persons as a percentage of population aged 15+
Unemployed persons as a percentage of the labour force
Percentage with Year 12 or equivalent as highest school level
Nearby suburb profiles (near 5523)
Compare Crystal Brook with nearby suburbs
Crystal Brook in numbers
Crystal Brook had 1,537 residents at the 2021 Census, making it the 341st most populous suburb or locality in SA out of 1,624. The median age is 49, 17% above the typical SA suburb. The average household has 2.3 people. 7.3% of residents were born overseas.
Among occupied homes, 38.5% own their home outright, 26% are paying a mortgage, 18.5% rent. Separate houses make up 79.1% of dwellings, with 0% in flats or apartments. Median rent was $189/wk, 39% below the typical SA suburb.
Median household income was $1,011/wk, 34% below the typical SA suburb. The unemployment rate on Census night was 3.3%. 38% of adults had completed Year 12 or above. On the ABS SEIFA index of relative socio-economic disadvantage it sits in decile 3 nationally (1 is most disadvantaged, 10 least).
Between the 2016 and 2021 Censuses the population grew 1.5% (from 1,515 to 1,537). Median rent moved from $176/wk to $189/wk (+7.4%).
Crystal Brook suburb FAQs
- What is the median rent in Crystal Brook, SA?
- The median weekly rent in Crystal Brook was $189/wk at the 2021 Census (ABS).
- How many people live in Crystal Brook, SA?
- Crystal Brook had 1,537 residents at the 2021 Census, up 1.5% from 2016.
- What is the median household income in Crystal Brook?
- Median household income in Crystal Brook was $1,011/wk at the 2021 Census.
- Do most people rent or own in Crystal Brook?
- 18.5% of occupied homes in Crystal Brook were rented, 38.5% were owned outright and 26% were owned with a mortgage.
About this Crystal Brook suburb profile
Figures are from the ABS Census of Population and Housing 2021 (General Community Profile) for the Suburbs and Localities boundary matching Crystal Brook (SA). Where shown, 2016 values come from the 2016 State Suburbs (SSC) profile, linked via ABS geographic correspondence — boundaries are not always identical. Medians may be suppressed for very small areas. This is not financial or relocation advice — use it alongside current market data.
Source: ABS Census 2021. Methodology