Marion Bay, SA 5575
Yorke PeninsulaAll suburbs in postcode 5575
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 Marion Bay?
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Rent in Marion Bay
- Weekly rent (house)
- $330/wk
Rental data as of June 2026· SA rental bond data
Free appraisal in Marion Bay
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What to know about Marion Bay
Marion Bay (5575) sits in the Yorke Peninsula region of South Australia.
Marion Bay has roughly 210 residents, with a retiree-heavy demographic. 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
Marion Bay scores 2/100 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 26°C (mild), winter mornings around 9°C (mild). Annual rainfall lands at about 432 mm. Figures are our 1991 to 2020 averages of SILO data for this location (Queensland Government, built from Bureau of Meteorology observations).
Location
Walkability
- Walk
- 2/100
- 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 Marion Bay's population at 210, with a median age of 54. That sits as a retiree-heavy demographic. Households are predominantly owner-occupied (78% own, 18% rent), which shapes everything from school catchment stability to how often properties turn over. Lone-person households are notable here (39%), often a marker of unit-heavy stock and walkable infrastructure.
- Population
- 210
- Median age
- 54
- Family households
- 50%
- Lone person
- 39%
- Owner occupied
- 78%
- Renter occupied
- 18%
Demographics data as of May 2026· ABS 2021 Census
Crime and safety
4 offences recorded in 2025-26
Top offence categories
Source: State Police Open Data
Crime data as of June 2026
Weather year-round
- Annual rainfall
- 432 mm
- Hottest month, avg max
- 25.8°C
- Coldest month, avg min
- 9.0°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 Marion Bay
- What is the Marion Bay postcode?
- Marion Bay is in the 5575 postcode, in SA, in the Yorke Peninsula region.
- Where is Marion Bay?
- Marion Bay is a suburb in the Yorke Peninsula area, SA 5575.
- What is the average rent in Marion Bay?
- The median weekly rent for houses is $330.
- How walkable is Marion Bay?
- Marion Bay has a Walk Score of 2 out of 100, highly car-dependent. transit score 0, bike score 0.
- What suburbs are near Marion Bay?
- Marion Bay is close to Stenhouse Bay, Inneston, Foul Bay, White Hut, Corny Point.
- What is the population of Marion Bay?
- The population of Marion Bay is approximately 210 (2021 Census). The median age is 54.
Selling in Marion Bay? Get the free selling guide
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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.