South Australia · Suburb Profile
Marion Bay SA — Suburb Profile
Population, median income, rent prices, housing costs and demographics for Marion Bay, South Australia. ABS Census 2021.
The population of Marion Bay SA is 210 according to the 2021 Census. The median personal income in Marion Bay is $539 per week ($28,028 per year). Median rent in Marion Bay is $200 per week ($867 per month). Marion Bay has a median age of 54 years, older than the national median of 38. Marion Bay has a population density of 0.7 people per km².
The most common overseas birthplace in Marion Bay is England. The most common religion is No Religion (60% of residents). The median monthly mortgage repayment in Marion Bay is $867.
There were 4 recorded offences in Marion Bay in 2025-26, a rate of 19 offences per 1,000 people. The most common offence category was theft (2 offences).
Marion Bay Map
Marion Bay Population
Marion Bay Median Income & Rent
Marion Bay Demographics
Gender Split
Population Density
Households
Marion Bay Age Distribution
Source: ABS Census 2021 — Suburb & Locality (SAL)
Marion Bay Housing Tenure
Source: ABS Census 2021 — Suburb & Locality (SAL)
Marion Bay Country of Birth
Source: ABS Census 2021 G09 — Country of Birth by SAL
Marion Bay Religion
Source: ABS Census 2021 G14 — Religion by SAL
Marion Bay Education Level
Source: ABS Census 2021 G16 — Highest Year of School by SAL
Marion Bay Employment
Source: ABS Census 2021 G46 — Labour Force Status by SAL
Marion Bay Qualifications
Source: ABS Census 2021 G49 — Non-School Qualification by SAL
Marion Bay Occupation
Source: ABS Census 2021 G51 — Industry of Employment by Occupation
Marion Bay Field of Study
Source: ABS Census 2021 G51 — Field of Study by SAL
Marion Bay Dwelling Types
Source: ABS Census 2021 G36 — Dwelling Structure by SAL
Marion Bay Weekly Household Income
Source: ABS Census 2021 G33 — Household Income by SAL
Marion Bay Marital Status
Source: ABS Census 2021 G05 — Marital Status by SAL
Marion Bay Ancestry
Source: ABS Census 2021 G08 — Ancestry by SAL
Marion Bay School & University Attendance
Source: ABS Census 2021 G15 — Type of Educational Institution by SAL
Marion Bay Need for Assistance
Source: ABS Census 2021 G18 — Core Activity Need for Assistance by SAL
Marion Bay Volunteering
Source: ABS Census 2021 G23 — Voluntary Work by SAL
Marion Bay Monthly Mortgage Repayments
Source: ABS Census 2021 G38 — Mortgage Repayment by SAL
Marion Bay How People Get to Work
Source: ABS Census 2021 G62 — Method of Travel to Work by SAL
Marion Bay Car Ownership
Source: ABS Census 2021 G34 — Motor Vehicles per Dwelling by SAL
Marion Bay Number of Bedrooms
Source: ABS Census 2021 G41 — Number of Bedrooms by SAL
Marion Bay Population Mobility
Source: ABS Census 2021 G43 — Summary by SAL
Marion Bay Indigenous Population
Source: ABS Census 2021 G07 — Indigenous Status by SAL
Marion Bay Long-term Health Conditions
Source: ABS Census 2021 G19 — Long-term Health Conditions by SAL
Marion Bay Personal Weekly Income Distribution
Source: ABS Census 2021 G17 — Personal Income by SAL
Marion Bay Family Structure
Source: ABS Census 2021 G29 — Family Composition by SAL
Marion Bay Military Service
Source: ABS Census 2021 G22 — ADF Service by SAL
Marion Bay Unpaid Carers
Source: ABS Census 2021 G25 — Unpaid Assistance by SAL
Marion Bay Children Ever Born
Source: ABS Census 2021 G28 — Children Ever Born by SAL
Marion Bay When Migrants Arrived
Source: ABS Census 2021 G10 — Year of Arrival by SAL
Marion Bay Unpaid Domestic Work
Source: ABS Census 2021 G24 — Unpaid Domestic Work by SAL
Marion Bay Household Size
Source: ABS Census 2021 G35 — Household Size by SAL
Marion Bay Where Residents Moved From
Source: ABS Census 2021 G44 — Address 1 Year Ago by SAL
Marion Bay Family Blending
Source: ABS Census 2021 G31 — Family Blending by SAL
Marion Bay Crime Statistics
Reported offences in 2025-26 — 4 total
Offence trend by year:
Source: SA Government Open Data — data.sa.gov.au
Marion Bay Rent Prices & Affordability
Rent is under 25% of household income — generally considered affordable.
If you earn X in Marion Bay
Cheaper alternatives with similar incomes
Marion Bay vs State & National Average
Nearby Suburbs in SA
Compare Marion Bay (SA)
Frequently Asked Questions About Marion Bay
What is the population of Marion Bay SA?
The population of Marion Bay SA is 210 according to the ABS Census 2021.The suburb has a population density of 0.7 people per km².Marion Bay is ranked #6,834 out of 14,663 suburbs by population.
What is the median income in Marion Bay?
The median personal income in Marion Bay SA is $539 per week, or $28,028 per year.The median household income is $838 per week.Family income is $1,187 per week.Marion Bay is ranked #7,844 by income out of 14,663 Australian suburbs.
How much is rent in Marion Bay?
Median rent in Marion Bay SA is $200 per week ($867 per month).Rent represents 23.9% of household income, which is considered affordable.Marion Bay ranks #7,374 out of 14,663 suburbs by rent.
What are mortgage repayments in Marion Bay?
The median monthly mortgage repayment in Marion Bay SA is $867. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.
What is the median age in Marion Bay?
The median age in Marion Bay SA is 54 years.This is older than the national median age of 38 years.
Is Marion Bay a good suburb to live in?
Marion Bay is a suburb in South Australia with a population of 210.The median income is $539/wk, which is below the SA average of $763/wk.Rent affordability is rated as affordable (23.9% of household income). See the full suburb profile above for detailed statistics.
Data: Australian Bureau of Statistics, Census of Population and Housing 2021. SA2 area: 40831. All dollar figures in AUD.