Suburb profile · ABS Census 2021
Saibai Island suburb profile
Saibai Island, QLD · Postcode 4875
This Saibai Island suburb profile summarises official Australian Bureau of Statistics Census 2021 data for Saibai Island, QLD (postcode 4875). 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 Saibai Island with nearby suburbs.
Saibai Island at a glance
Population
340
Median rent
$115/wk
Household income
$922/wk
Median age
25
Saibai Island 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
-29.2% over 10 years
Population
340
was 465 in 2016
-125 · -26.9%
Median rent
$115/wk
was $70/wk in 2016
+$45 · +64.3%
Household income
$922/wk
was $1,149/wk in 2016
$227 · -19.8%
Median age
25
was 20 in 2016
+5 · +25%
Dig deeper: Saibai Island population growth · Saibai Island then and now
Saibai Island vs nearby & QLD
Median Census 2021 figures for Saibai Island, nearby suburbs (8), and the QLD state median (suburbs with 1,000+ people).
Rent
-68.9% vs area
- Saibai Island$115/wk
- Nearby$200.5/wk
- QLD$370/wk
Household income
-46.4% vs area
- Saibai Island$922/wk
- Nearby$1,883/wk
- QLD$1,719/wk
Median age
-35.9% vs area
- Saibai Island25
- Nearby29
- QLD39
Personal income
-48.8% vs area
- Saibai Island$405/wk
- Nearby$867/wk
- QLD$791/wk
Nearby uses the same postcode first, then larger suburbs in QLD.
Socio-economic profile
How Saibai Island compares to other Australian suburbs on income, education and occupation — from official ABS SEIFA 2021 data.
Saibai Island ranks among Australia's most disadvantaged suburbs. It shows limited economic resources and lower education and occupation levels.
Relative disadvantage (IRSD)
Decile 1529.2
Lower score / decile = more relative disadvantage
Advantage & disadvantage (IRSAD)
Decile 1719.9
Higher score / decile = more relative advantage
Economic resources (IER)
Decile 1551.8
Access to economic resources (income, housing)
Education & occupation (IEO)
Decile 1881.7
Education and occupational skill levels
Source: ABS SEIFA 2021. See methodology.
Saibai Island on the map
OpenStreetMap outline for Saibai Island, QLD.
Map data © OpenStreetMap contributors. Boundary matching is approximate.
Saibai Island people
- Population
- 340
- Median age
- 25
- Born overseas
- 10.9%
- Average household size
- 3.6
Total usual residents (Census 2021)
Median age of residents in years
Percentage born outside Australia
Average number of people per household
Saibai Island income
- Median household income
- $922/wk
- Median personal income
- $405/wk
Median total weekly household income
Median total weekly personal income
Saibai Island housing
- Median rent
- $115/wk
- Median mortgage repayment
- $0/mo
- Separate houses
- 68.6%
- Flats & apartments
- 0%
- Owned outright
- 0%
- Mortgaged
- 0%
- Rented
- 77.5%
- Unoccupied dwellings
- 25.5%
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
Saibai Island work
- Employment to population
- 19.2%
- Unemployment rate
- 43.1%
- Year 12 or above
- 47.7%
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 4875)
Compare Saibai Island with nearby suburbs
Saibai Island in numbers
Saibai Island had 340 residents at the 2021 Census. The median age is 25, 37% below the typical QLD suburb. The average household has 3.6 people. 10.9% of residents were born overseas.
Among occupied homes, 0% own their home outright, 0% are paying a mortgage, 77.5% rent. Separate houses make up 68.6% of dwellings, with 0% in flats or apartments. Median rent was $115/wk, 67% below the typical QLD suburb.
Median household income was $922/wk, 45% below the typical QLD suburb. On the ABS SEIFA index of relative socio-economic disadvantage it sits in decile 1 nationally (1 is most disadvantaged, 10 least).
Between the 2016 and 2021 Censuses the population fell 26.9% (from 465 to 340). Median rent moved from $70/wk to $115/wk (+64.3%).
Saibai Island suburb FAQs
- What is the median rent in Saibai Island, QLD?
- The median weekly rent in Saibai Island was $115/wk at the 2021 Census (ABS).
- How many people live in Saibai Island, QLD?
- Saibai Island had 340 residents at the 2021 Census, down 26.9% from 2016.
- What is the median household income in Saibai Island?
- Median household income in Saibai Island was $922/wk at the 2021 Census.
- Do most people rent or own in Saibai Island?
- 77.5% of occupied homes in Saibai Island were rented, 0% were owned outright and 0% were owned with a mortgage.
About this Saibai Island suburb profile
Figures are from the ABS Census of Population and Housing 2021 (General Community Profile) for the Suburbs and Localities boundary matching Saibai Island. 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