Mount Mary, SA 5374
Light Regional CouncilAll suburbs in postcode 5374
Updated
Median house price
Verified median pending
We don't yet have a verified suburb-level median for this market. We're working on a data partner; in the meantime, treat the state-level figures as a guide only. How we source data.
Selling in Mount Mary?
Get the free selling guide, personalised to Mount Mary, or ask for a free appraisal from a local agent.
Rent in Mount Mary
Rental data as of October 2026
Free appraisal in Mount Mary
What’s your home worth in Mount Mary?
Ask us to introduce one participating agent who sells in your area for an appraisal backed by recent comparable sales. Only with your permission, and no commitment to list.
What to know about Mount Mary
Mount Mary (5374) sits in the Light region of South Australia.
Mount Mary has roughly 36 residents, with an established, older skew. Households are predominantly owner-occupied. Daily life is car-dependent: most residents drive to work, school and the shops.
What it’s like to live here
Mount Mary scores 0/100 on walkability, which makes it car-dependent with limited public transport. Plan for two cars in a typical household, especially if work isn't local.
Summer days here average around 32°C (hot), winter mornings around 5°C (cool). Annual rainfall lands at about 264 mm. Figures are our 1991 to 2020 averages of SILO data for this location (Queensland Government, built from Bureau of Meteorology observations).
Schooling within or near the suburb covers 3 government primary, 1 independent.
Schools in Mount Mary
Location
Walkability
- Walk
- 0/100
- Transit
- 0/100
- Bike
- 0/100
Very car dependent. Scores out of 100, calculated from OpenStreetMap data (ODbL).
Walkability data as of May 2026· OpenStreetMap
Demographics
The 2021 Census put Mount Mary's population at 36, with a median age of 48. That sits as an established, older skew. Households are predominantly owner-occupied (83% own, 17% rent), which shapes everything from school catchment stability to how often properties turn over. Lone-person households are notable here (56%), often a marker of unit-heavy stock and walkable infrastructure.
- Population
- 36
- Median age
- 48
- Family households
- 50%
- Lone person
- 56%
- Owner occupied
- 83%
- Renter occupied
- 17%
Demographics data as of May 2026· ABS 2021 Census
Crime and safety
6 offences recorded in 2025-26
Top offence categories
Source: State Police Open Data
Crime data as of June 2026
Weather year-round
- Annual rainfall
- 264 mm
- Hottest month, avg max
- 32.4°C
- Coldest month, avg min
- 4.6°C
Rainfall by month
Our 1991 to 2020 averages of SILO data (Queensland Government, built from Bureau of Meteorology observations, CC BY 4.0) for this location.
Climate data as of October 2026· SILO (Queensland Government), from Bureau of Meteorology observations
Questions about Mount Mary
- What is the Mount Mary postcode?
- Mount Mary is in the 5374 postcode, in SA, in the Light Regional Council region.
- Where is Mount Mary?
- Mount Mary is a suburb in the Light Regional Council area, SA 5374.
- What schools are in Mount Mary?
- There are 5 schools serving Mount Mary on this page, including Morgan Primary School, Blanchetown Primary School, St John's Lutheran School.
- How walkable is Mount Mary?
- Mount Mary has a Walk Score of 0 out of 100, highly car-dependent. transit score 0, bike score 0.
- What suburbs are near Mount Mary?
- Mount Mary is close to Brownlow, Beatty, Eba, Wombats Rest, Murbko.
- What is the population of Mount Mary?
- The population of Mount Mary is approximately 36 (2021 Census). The median age is 48.
Selling in Mount Mary? Get the free selling guide
What selling costs, how agents price homes, what to ask them and a 12-week plan to settlement, personalised to Mount Mary. A free PDF, in about a minute.
More on Mount Mary and nearby
Mount Mary
Compare side by side
Selling in SA
Sources. House and unit medians from the NSW Valuer General, Land Victoria, the SA Government and the ABS; rents from the state rental bond authorities. Census from the ABS (2021), climate from the Bureau of Meteorology, hazard from Geoscience Australia, schools from ACARA and crime from state police open data. Each figure carries its source and date. How we source data
How we’re paid. The guides and this page are free. When a seller asks, we introduce one local agent, and the agent pays us a flat fee for the introduction, never a share of their commission; it costs the seller nothing. If a figure looks wrong, tell us and we’ll fix it.