Gidgealpa at a glance
Population
100
Median age 37
The brief
What to know about Gidgealpa.
The postcode for Gidgealpa is 5731 (SA).
Gidgealpa (5731) sits in the Outback - North and East region of South Australia.
Gidgealpa has roughly 100 residents, with a typical family-age mix. Households are dominated by renters.
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Who lives here
Demographics.
The 2021 Census put Gidgealpa's population at 100, with a median age of 37. That sits as a typical family-age mix. The household mix skews family-dominated (122% family households, 0% lone person), so amenity decisions tend to follow what families want: parks, schools, supermarkets.
Population
100
Median age
37
Family households
122%
Lone person
–
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)
$84/wk
Weekly rent (unit)
$100/wk
Owner occupied
–
Renter occupied
67%
At a deeper level
100
Median age: 37
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Safety
Crime and safety.
1
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
Place
Location.
Amenities
Transport
Nearby suburbs
Education
Schools in Gidgealpa.
Frequently asked
About Gidgealpa.
- What is the Gidgealpa postcode?
- Gidgealpa is in the 5731 postcode, in SA, in the Outback - North and East region.
- Where is Gidgealpa?
- Gidgealpa is a regional suburb in SA, postcode 5731, in the Outback - North and East region.
- What is the average rent in Gidgealpa?
- The median weekly rent for houses is $84, for units it's $100.
- What suburbs are near Gidgealpa?
- Gidgealpa is close to Strzelecki Desert, Merty Merty, Innamincka.
- What is the population of Gidgealpa?
- The population of Gidgealpa is approximately 100 (2021 Census). The median age is 37.
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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 →
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