South Australia · Suburb Profile
Mount Mary SA — Suburb Profile
Population, median income, rent prices, housing costs and demographics for Mount Mary, South Australia. ABS Census 2021.
The population of Mount Mary SA is 36 according to the 2021 Census. The median personal income in Mount Mary is $330 per week ($17,160 per year). Median rent in Mount Mary is $200 per week ($867 per month). Mount Mary has a median age of 48 years, older than the national median of 38. Mount Mary has a population density of 0.2 people per km².
The most common religion is No Religion (57% of residents). The median monthly mortgage repayment in Mount Mary is $184.
There were 2 recorded offences in Mount Mary in 2025-26, a rate of 56 offences per 1,000 people. The most common offence category was assault (2 offences).
Mount Mary Map
Mount Mary Population
Mount Mary Median Income & Rent
Mount Mary Demographics
Gender Split
Population Density
Households
Mount Mary Age Distribution
Source: ABS Census 2021 — Suburb & Locality (SAL)
Mount Mary Housing Tenure
Source: ABS Census 2021 — Suburb & Locality (SAL)
Mount Mary Country of Birth
Source: ABS Census 2021 G09 — Country of Birth by SAL
Mount Mary Religion
Source: ABS Census 2021 G14 — Religion by SAL
Mount Mary Education Level
Source: ABS Census 2021 G16 — Highest Year of School by SAL
Mount Mary Employment
Source: ABS Census 2021 G46 — Labour Force Status by SAL
Mount Mary Qualifications
Source: ABS Census 2021 G49 — Non-School Qualification by SAL
Mount Mary Dwelling Types
Source: ABS Census 2021 G36 — Dwelling Structure by SAL
Mount Mary Weekly Household Income
Source: ABS Census 2021 G33 — Household Income by SAL
Mount Mary Marital Status
Source: ABS Census 2021 G05 — Marital Status by SAL
Mount Mary Ancestry
Source: ABS Census 2021 G08 — Ancestry by SAL
Mount Mary School & University Attendance
Source: ABS Census 2021 G15 — Type of Educational Institution by SAL
Mount Mary Need for Assistance
Source: ABS Census 2021 G18 — Core Activity Need for Assistance by SAL
Mount Mary Volunteering
Source: ABS Census 2021 G23 — Voluntary Work by SAL
Mount Mary Monthly Mortgage Repayments
Source: ABS Census 2021 G38 — Mortgage Repayment by SAL
Mount Mary Car Ownership
Source: ABS Census 2021 G34 — Motor Vehicles per Dwelling by SAL
Mount Mary Number of Bedrooms
Source: ABS Census 2021 G41 — Number of Bedrooms by SAL
Mount Mary Population Mobility
Source: ABS Census 2021 G43 — Summary by SAL
Mount Mary Indigenous Population
Source: ABS Census 2021 G07 — Indigenous Status by SAL
Mount Mary Long-term Health Conditions
Source: ABS Census 2021 G19 — Long-term Health Conditions by SAL
Mount Mary Personal Weekly Income Distribution
Source: ABS Census 2021 G17 — Personal Income by SAL
Mount Mary Family Structure
Source: ABS Census 2021 G29 — Family Composition by SAL
Mount Mary Unpaid Carers
Source: ABS Census 2021 G25 — Unpaid Assistance by SAL
Mount Mary Unpaid Domestic Work
Source: ABS Census 2021 G24 — Unpaid Domestic Work by SAL
Mount Mary Household Size
Source: ABS Census 2021 G35 — Household Size by SAL
Mount Mary Where Residents Moved From
Source: ABS Census 2021 G44 — Address 1 Year Ago by SAL
Mount Mary Crime Statistics
Reported offences in 2025-26 — 2 total
Offence trend by year:
Source: SA Government Open Data — data.sa.gov.au
Mount Mary Rent Prices & Affordability
Rent exceeds 35% of household income — this area may be under housing stress.
If you earn X in Mount Mary
Mount Mary vs State & National Average
Nearby Suburbs in SA
Compare Mount Mary
Frequently Asked Questions About Mount Mary
What is the population of Mount Mary SA?
The population of Mount Mary SA is 36 according to the ABS Census 2021.The suburb has a population density of 0.2 people per km².
What is the median income in Mount Mary?
The median personal income in Mount Mary SA is $330 per week, or $17,160 per year.The median household income is $466 per week.Family income is $687 per week.
How much is rent in Mount Mary?
Median rent in Mount Mary SA is $200 per week ($867 per month).Rent represents 42.9% of household income, which is considered stressed.
What are mortgage repayments in Mount Mary?
The median monthly mortgage repayment in Mount Mary SA is $184. This data comes from the ABS Census 2021 and reflects mortgage repayments for owner-occupied dwellings.
What is the median age in Mount Mary?
The median age in Mount Mary SA is 48 years.This is older than the national median age of 38 years.
Is Mount Mary a good suburb to live in?
Mount Mary is a suburb in South Australia with a population of 36.The median income is $330/wk, which is below the SA average of $763/wk.Rent affordability is rated as stressed (42.9% of household income). See the full suburb profile above for detailed statistics.
Looking for schools, childcare centres, and playgrounds in this area? See kid.com.au for family facilities data.
Data: Australian Bureau of Statistics, Census of Population and Housing 2021. SA2 area: 40955. All dollar figures in AUD.