Suburb profile · ABS Census 2021
Marion Bay suburb profile
Marion Bay, SA · Postcode 5575
This Marion Bay suburb profile summarises official Australian Bureau of Statistics Census 2021 data for Marion Bay, SA (postcode 5575). 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 Marion Bay with nearby suburbs.
Marion Bay at a glance
Population
210
Median rent
$200/wk
Household income
$838/wk
Median age
54
Marion Bay 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
+2.4% over 10 years
Population
210
was 172 in 2016
+38 · +22.1%
Median rent
$200/wk
was $220/wk in 2016
$20 · -9.1%
Household income
$838/wk
was $701/wk in 2016
+$137 · +19.5%
Median age
54
was 50 in 2016
+4 · +8%
Dig deeper: Marion Bay population growth · Marion Bay then and now
Marion Bay vs nearby & SA
Median Census 2021 figures for Marion Bay, nearby suburbs (8), and the SA state median (suburbs with 1,000+ people).
Rent
-37.5% vs area
- Marion Bay$200/wk
- Nearby$219/wk
- SA$320/wk
Household income
-46.2% vs area
- Marion Bay$838/wk
- Nearby$943/wk
- SA$1,559/wk
Median age
+31.7% vs area
- Marion Bay54
- Nearby60
- SA41
Personal income
-31% vs area
- Marion Bay$539/wk
- Nearby$558/wk
- SA$781/wk
Nearby uses the same postcode first, then larger suburbs in SA.
Socio-economic profile
How Marion Bay compares to other Australian suburbs on income, education and occupation — from official ABS SEIFA 2021 data.
Marion Bay ranks among Australia's most disadvantaged suburbs. It shows limited economic resources and lower education and occupation levels.
Relative disadvantage (IRSD)
Decile 2913.7
Lower score / decile = more relative disadvantage
Advantage & disadvantage (IRSAD)
Decile 1882.9
Higher score / decile = more relative advantage
Economic resources (IER)
Decile 2952.4
Access to economic resources (income, housing)
Education & occupation (IEO)
Decile 2891.5
Education and occupational skill levels
Source: ABS SEIFA 2021. See methodology.
Marion Bay on the map
OpenStreetMap outline for Marion Bay, SA.
Map data © OpenStreetMap contributors. Boundary matching is approximate.
Marion Bay people
- Population
- 210
- Median age
- 54
- Born overseas
- 11.4%
- Average household size
- 2.0
Total usual residents (Census 2021)
Median age of residents in years
Percentage born outside Australia
Average number of people per household
Marion Bay income
- Median household income
- $838/wk
- Median personal income
- $539/wk
Median total weekly household income
Median total weekly personal income
Marion Bay housing
- Median rent
- $200/wk
- Median mortgage repayment
- $867/mo
- Separate houses
- 25.9%
- Flats & apartments
- 0%
- Owned outright
- 14.5%
- Mortgaged
- 7.3%
- Rented
- 5%
- Unoccupied dwellings
- 73.5%
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
Marion Bay work
- Employment to population
- 45.7%
- Unemployment rate
- 3.4%
- Year 12 or above
- 39.1%
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 5575)
Compare Marion Bay with nearby suburbs
Marion Bay in numbers
Marion Bay had 210 residents at the 2021 Census. The median age is 54, 29% above the typical SA suburb. The average household has 2 people. 11.4% of residents were born overseas.
Among occupied homes, 14.5% own their home outright, 7.3% are paying a mortgage, 5% rent. Separate houses make up 25.9% of dwellings, with 0% in flats or apartments. Median rent was $200/wk, 35% below the typical SA suburb.
Median household income was $838/wk, 45% below the typical SA suburb. On the ABS SEIFA index of relative socio-economic disadvantage it sits in decile 2 nationally (1 is most disadvantaged, 10 least).
Between the 2016 and 2021 Censuses the population grew 22.1% (from 172 to 210). Median rent moved from $220/wk to $200/wk (-9.1%).
Marion Bay suburb FAQs
- What is the median rent in Marion Bay, SA?
- The median weekly rent in Marion Bay was $200/wk at the 2021 Census (ABS).
- How many people live in Marion Bay, SA?
- Marion Bay had 210 residents at the 2021 Census, up 22.1% from 2016.
- What is the median household income in Marion Bay?
- Median household income in Marion Bay was $838/wk at the 2021 Census.
- Do most people rent or own in Marion Bay?
- 5% of occupied homes in Marion Bay were rented, 14.5% were owned outright and 7.3% were owned with a mortgage.
About this Marion Bay suburb profile
Figures are from the ABS Census of Population and Housing 2021 (General Community Profile) for the Suburbs and Localities boundary matching Marion Bay (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