Marion Bay, SA 5575 — Suburb Profile
Last reviewed: · By Knowburb Research Team
In short
Marion Bay is a suburb of South Australia, postcode 5575, home to 210 residents with a settled, mature community. Located in the Yorke Peninsula local government area (Remote Australia) and roughly 97 km from the Adelaide CBD.
Snapshot
Demographics
- Population
- 210
- Median age
- 54 years
- Median household income
- $838 /week
- Median personal income
- $539 /week
- Median family income
- $1,187 /week
- Average household size
- 2.0
- Persons per bedroom
- 0.7
- Local government area
- Yorke Peninsula
- Statistical region (SA4)
- Barossa - Yorke - Mid North
- Remoteness classification
- Remote Australia
- Federal electorate
- Grey
Property & cost of living
- Median rent
- $200 /week
- Median monthly mortgage
- $867
- Rent share of household income
- 24%
Schools
School data refreshes annually from ACARA and state education departments.
Transport
Transport data refreshes monthly from state GTFS feeds.
Lifestyle & amenities
- 2 cafés
- 2 restaurants
- 1 park or reserve
Climate
- Warmest month: Jan (28.3°C avg max)
- Coolest month: Jul (15.0°C avg max)
- Annual rainfall: 437 mm
- Reference station: Adelaide Airport, 90.1 km away
NBN & connectivity
Fixed Wireless serves 97.2% of the 397 resolvable premises in Marion Bay. Most premises here are served by NBN Fixed Wireless from a nearby tower. Speed is shared with neighbours and weather-sensitive; plans up to NBN 100 are available where signal allows.
- Fixed Wireless: 97.2%
- Sky Muster (Satellite): 2.8%
Safety
- Recorded offences: 41 across postcode 5575 in the year to FY2024–25 (down 7% on the prior year).
- Most common categories: 13 violent offences, 12 property damage, 6 theft.
Frequently asked questions
What is the population of Marion Bay?
Marion Bay (SA 5575) had 210 residents at the most recent ABS Census. The median age is 54. It sits within the Yorke Peninsula local government area.
What is the median rent in Marion Bay?
The median advertised rent in Marion Bay is $200/week, based on SQM Research listings data. Rents vary by property type, bedrooms and condition.
What NBN technology is available in Marion Bay?
Marion Bay is predominantly served by Fixed Wireless (97.2% of premises). Coverage data is sourced from the NBN upgrade map aggregated from NBN Co address checks.
How safe is Marion Bay?
Across postcode 5575, 41 offences were recorded in the 12 months to FY2024–25. The most common offence categories were violent (13), property damage (12), theft (6). Crime statistics are recorded by area (postcode or LGA), not by individual suburb. Data sourced from each state's crime statistics agency.
What is the climate like in Marion Bay?
In Marion Bay, mean daily temperatures range from 11.5°C to 21.6°C and annual rainfall is 437 mm measured at the Adelaide Airport weather station (90.1 km away). Long-term averages from the Bureau of Meteorology.
Sources & methodology
Demographics from ABS Census. Property data from SQM Research. Climate from Bureau of Meteorology. Schools from ACARA. NBN from NBN Co. Amenities from OpenStreetMap. See full methodology.
Additional sources for this profile: