Arno Bay, SA 5603
Tumby BayAll suburbs in postcode 5603
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.
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Rent in Arno Bay
- Weekly rent (house)
- $330/wk
- Weekly rent (unit)
- $183/wk
Rental data as of March 2026· SA rental bond data
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What to know about Arno Bay
Arno Bay (5603) sits in the Tumby Bay region of South Australia.
Arno Bay has roughly 314 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
Arno Bay scores 4/100 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 29°C (warm), winter mornings around 8°C (cool). Annual rainfall lands at about 299 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 1 government primary.
Schools in Arno Bay
Location
Walkability
- Walk
- 4/100
- 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 Arno Bay's population at 314, with a median age of 52. That sits as a retiree-heavy demographic. Households are predominantly owner-occupied (79% own, 16% rent), which shapes everything from school catchment stability to how often properties turn over. The household mix skews family-dominated (68% family households, 33% lone person), so amenity decisions tend to follow what families want: parks, schools, supermarkets.
- Population
- 314
- Median age
- 52
- Family households
- 68%
- Lone person
- 33%
- Owner occupied
- 79%
- Renter occupied
- 16%
Demographics data as of May 2026· ABS 2021 Census
Crime and safety
14 offences recorded in 2025-26
Top offence categories
Source: State Police Open Data
Crime data as of June 2026
Weather year-round
- Annual rainfall
- 299 mm
- Hottest month, avg max
- 29.2°C
- Coldest month, avg min
- 7.6°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 Arno Bay
- What is the Arno Bay postcode?
- Arno Bay is in the 5603 postcode, in SA, in the Tumby Bay region.
- Where is Arno Bay?
- Arno Bay is a suburb in the Tumby Bay area, SA 5603.
- What is the average rent in Arno Bay?
- The median weekly rent for houses is $330, for units it's $183.
- What schools are in Arno Bay?
- There are 2 schools serving Arno Bay on this page, including Cleve Area School, Port Neill Primary School.
- How walkable is Arno Bay?
- Arno Bay has a Walk Score of 4 out of 100, highly car-dependent. transit score 0, bike score 0.
- What suburbs are near Arno Bay?
- Arno Bay is close to Verran, Port Gibbon, Cleve, Port Neill, Wharminda.
- What is the population of Arno Bay?
- The population of Arno Bay is approximately 314 (2021 Census). The median age is 52.
Selling in Arno Bay? Get the free selling guide
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More on Arno Bay and nearby
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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.