Yorke Peninsula
Marion Bay
Marion Bay at a glance
Walk score
2
Very car dependent
Population
210
Median age 54
The brief
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.
Side by side
Compare Marion Bay with a nearby suburb.
Median, growth, schools, walkability, all in one view.
Day to day
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.
Who lives here
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%
Demographics data as of May 2026· ABS 2021 Census
Market
The price of a home here.
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.
Rental and ownership
Weekly rent (house)
$200/wk
Weekly rent (unit)
$200/wk
Owner occupied
78%
Renter occupied
18%
At a deeper level
210
Median age: 54
Free appraisal
What’s your home worth in Marion Bay?
A local agent who actually sells in Marion Bay will give you an honest number, backed by recent comparable sales. Free, no commitment to list.
Get property alerts for Marion Bay
Be the first to know when new listings hit the market.
Safety
Crime and safety.
4
total offences in 2025-26
Top offence categories
Crime statistics are reported at LGA level and may cover a broader area than this suburb.
Source: State Police Open Data
Crime data as of June 2026· State Police Open Data
Getting around
Walkability.
2
0
0
Scores calculated from OpenStreetMap data (ODbL)
Walkability data as of May 2026· OpenStreetMap
Place
Location.
Amenities
Transport
Education
Schools in Marion Bay.
Frequently asked
About Marion Bay.
- What is the Marion Bay postcode?
- Marion Bay is in the 5575 postcode, in SA, in the Yorke Peninsula region.
- What is the average rent in Marion Bay?
- The median weekly rent for houses is $200, for units it's $200.
- 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?
- Marion Bay has approximately 210 residents. The median age is 54.
For Sale
Marion Bay
Guides
Surrounding Suburbs
Side by side
Compare Marion Bay vs a nearby suburb
See median prices, growth, schools, walkability and risk side by side in one view.
Sources cited
Median, growth and rental data from state revenue offices and ABS. Census from ABS 2021. Climate from BoM. Hazard from Geoscience Australia. School data from ACARA. Crime from state police open data. Full methodology →
Always dated
Every figure on this page carries its source and as-of date in a tooltip. If a figure looks off to you, tell us and we’ll fix it within a week.
No login
No paywall, no sign-up, no download form. The suburb data is the product. We earn from partner brokers and agents on the rare occasion you ask for one.
Want a real human to help with Marion Bay?
If you’ve looked at the numbers and want someone to talk it through, whether that’s an agent, broker, accountant or conveyancer, we’ll find the right person for your situation. Free, no commitment.
Get connected