Suburb profile · ABS Census 2021
Mount St John suburb profile
Mount St John, QLD · Postcode 4818
This Mount St John suburb profile summarises official Australian Bureau of Statistics Census 2021 data for Mount St John, QLD (postcode 4818). 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 Mount St John with nearby suburbs.
Mount St John at a glance
Population
103
Median rent
$205/wk
Household income
$949/wk
Median age
42
Mount St John 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
+186.1% over 10 years
Population
103
was 62 in 2016
+41 · +66.1%
Median rent
$205/wk
was $150/wk in 2016
+$55 · +36.7%
Household income
$949/wk
was $900/wk in 2016
+$49 · +5.4%
Median age
42
was 57 in 2016
-15 · -26.3%
Dig deeper: Mount St John population growth · Mount St John then and now
Mount St John vs nearby & QLD
Median Census 2021 figures for Mount St John, nearby suburbs (8), and the QLD state median (suburbs with 1,000+ people).
Rent
-44.6% vs area
- Mount St John$205/wk
- Nearby$357.5/wk
- QLD$370/wk
Household income
-44.8% vs area
- Mount St John$949/wk
- Nearby$2,194.5/wk
- QLD$1,719/wk
Median age
+7.7% vs area
- Mount St John42
- Nearby35.5
- QLD39
Personal income
+68.3% vs area
- Mount St John$1,331/wk
- Nearby$940.5/wk
- QLD$791/wk
Nearby uses the same postcode first, then larger suburbs in QLD.
Socio-economic profile
How Mount St John compares to other Australian suburbs on income, education and occupation — from official ABS SEIFA 2021 data.
Mount St John sits around the national middle for socio-economic advantage. It shows limited economic resources and lower education and occupation levels.
Relative disadvantage (IRSD)
Decile 51,000.5
Lower score / decile = more relative disadvantage
Advantage & disadvantage (IRSAD)
Decile 4951.9
Higher score / decile = more relative advantage
Economic resources (IER)
Decile 2942.6
Access to economic resources (income, housing)
Education & occupation (IEO)
Decile 3933.2
Education and occupational skill levels
Source: ABS SEIFA 2021. See methodology.
Mount St John on the map
OpenStreetMap outline for Mount St John, QLD.
Map data © OpenStreetMap contributors. Boundary matching is approximate.
Mount St John people
- Population
- 103
- Median age
- 42
- Born overseas
- 15.5%
- Average household size
- 1.4
Total usual residents (Census 2021)
Median age of residents in years
Percentage born outside Australia
Average number of people per household
Mount St John income
- Median household income
- $949/wk
- Median personal income
- $1,331/wk
Median total weekly household income
Median total weekly personal income
Mount St John housing
- Median rent
- $205/wk
- Median mortgage repayment
- $0/mo
- Separate houses
- 26.7%
- Flats & apartments
- 0%
- Owned outright
- 43.3%
- Mortgaged
- 0%
- Rented
- 33.3%
- Unoccupied dwellings
- 0%
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
Mount St John work
- Employment to population
- 71.1%
- Unemployment rate
- 0%
- Year 12 or above
- 57.7%
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 4818)
Compare Mount St John with nearby suburbs
Mount St John in numbers
Mount St John had 103 residents at the 2021 Census. The median age is 42, 5% above the typical QLD suburb. The average household has 1.4 people. 15.5% of residents were born overseas.
Among occupied homes, 43.3% own their home outright, 0% are paying a mortgage, 33.3% rent. Separate houses make up 26.7% of dwellings, with 0% in flats or apartments. Median rent was $205/wk, 41% below the typical QLD suburb.
Median household income was $949/wk, 44% below the typical QLD suburb. On the ABS SEIFA index of relative socio-economic disadvantage it sits in decile 5 nationally (1 is most disadvantaged, 10 least).
Between the 2016 and 2021 Censuses the population grew 66.1% (from 62 to 103). Median rent moved from $150/wk to $205/wk (+36.7%).
Mount St John suburb FAQs
- What is the median rent in Mount St John, QLD?
- The median weekly rent in Mount St John was $205/wk at the 2021 Census (ABS).
- How many people live in Mount St John, QLD?
- Mount St John had 103 residents at the 2021 Census, up 66.1% from 2016.
- What is the median household income in Mount St John?
- Median household income in Mount St John was $949/wk at the 2021 Census.
- Do most people rent or own in Mount St John?
- 33.3% of occupied homes in Mount St John were rented, 43.3% were owned outright and 0% were owned with a mortgage.
About this Mount St John suburb profile
Figures are from the ABS Census of Population and Housing 2021 (General Community Profile) for the Suburbs and Localities boundary matching Mount St John. 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