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ABS 2021 Census · Updated 21 May 2026
Gidgealpa is a regional centre in South Australia, Australia, with a population of approximately 100, making it a boutique locality. Located approximately 889 km from the Adelaide CBD, Gidgealpa is a regional area in South Australia. The median household income is $100,724 per year.
Strong household incomes in Gidgealpa underpin solid property demand. Regional positioning means lower entry costs but potentially longer hold periods for capital gains.
Official Australia Post postcode for Gidgealpa. A postcode may cover multiple suburbs.
Australia Post Postcode Finder →Usual resident population at the most recent census.
Weekly median rent for occupied homes. Live rental data integration coming soon.
Annual median household income (before tax) across all households.
Straight-line distance from the suburb centroid to the nearest capital city CBD. Actual driving distance will be longer.
Estimated 1 school within or near this suburb.
Find schools near Gidgealpa on My School →Estimated 1 park and green spaces near this suburb.
Monthly median mortgage repayment for households currently paying off a mortgage.
Proportion of separate houses versus units, townhouses, and other home types. Useful for investors assessing rental demand mix.
Gidgealpa is a smaller community of 100 — about 3% of the South Australia suburb median (3,699) — so investors should factor in the narrower buyer pool and longer average time-on-market. Median household income of $100,724/year runs 24% above the South Australia suburb median of $80,964, indicating strong purchasing power and the type of demographic profile that tends to sustain premium property prices through market cycles. Weekly rent of $100 covers just 27% of the median $1,600/month mortgage repayment, leaving a $1,167/month gap — investors should only pursue this suburb with a clear capital-growth thesis and sufficient external income to fund the shortfall. Gidgealpa is 889 km from Adelaide, so the local market tracks regional employment and lifestyle drivers more than CBD-driven commuter demand. Only 40% of dwellings are separate houses (vs 73% state median), so this is a unit-heavy market where body-corporate decisions and strata supply meaningfully shape investor returns.
How Gidgealpa stacks up against the median of all South Australia suburbs in our dataset. Positive values mean Gidgealpa sits above the state median; negative means below.
| Metric | Gidgealpa | SA median | Δ vs state |
|---|---|---|---|
| Population | 100 | 3,699 | -97% |
| Median household income | $100,724/yr | $80,964/yr | +24% |
| Median rent (weekly) | $100 | $320 | -69% |
| Median mortgage (monthly) | $1,600 | $1,616 | -1% |
| Distance to CBD | 889 km | 13 km | +6738% |
| Separate houses | 40% | 73% | -33pp |
Pre-inspection briefing for Gidgealpa — every item is derived from public datasets, with full citations in our data sources page.
Limited buy-and-hold upside: a small population of 100 means liquidity is thin and capital growth tends to lag the wider South Australia market over full cycles.
Weak cash flow: $100/week rent covers only 27% of the $1,600/month median mortgage — a $1,167/month gap that must be funded from other income. This suburb is a capital-growth play, not a yield play.
Only 40% of dwellings are separate houses (vs 73% SA median) — this is a unit and townhouse market, where cosmetic flips struggle against body-corporate restrictions, thinner after-reno uplift and competing new supply.
Run the numbers on a Gidgealpa property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Capital-growth expectations for Gidgealpa are modest for 2026 — incomes 24% above the SA median of $80,964 and a population of 100 suggest gains will lag headline metro markets. Rental coverage runs at ~27% of the typical mortgage ($433/month rent vs $1,600/month repayment), meaning investors will rely on capital growth rather than yield. The EquitySight investment score of 43/100 places Gidgealpa in the mid tier of Australian suburbs we profile, and overall investor sentiment is cautious heading into the second half of 2026.
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Gidgealpa scores 43/100 on our EquitySight investment framework — a moderate rating. That score is driven by a population of 100, median household income of $100,724/year and median weekly rent of $100. Whether it fits your portfolio depends on whether you are targeting cash flow, capital growth, or a value-add renovation — all three are scored with suburb-specific numbers elsewhere on this page.
The main demand drivers in Gidgealpa are an above-state-median household income of $100,724/year, a dwelling mix that is 40% separate houses, roughly 1 schools and 1 parks within the catchment. Together these shape both owner-occupier and tenant demand and are the factors we weight most heavily in the suburb's investment score.
Gidgealpa has a usual resident population of approximately 100, compared with a South Australia suburb median of 3,699 — placing it in the lower half of the state's suburbs by size. Population is the clearest proxy for market depth: more residents mean more transactions and typically a shorter average days-on-market on resale.
Gidgealpa sits 889 km straight-line from the Adelaide CBD. This is a regional market where CBD distance is only indicative — local industry diversity and commute alternatives matter more.
The most recent census recorded a median weekly rent of $100 in Gidgealpa, equating to approximately $5,200/year in gross rental income (state median $320/week). Market rents have typically drifted above the recorded figure — verify against current listings on realestate.com.au and Domain before making an offer.
The median monthly mortgage repayment in Gidgealpa is $1,600, or approximately $19,200/year (vs $1,616/month state median). Stress-test your own borrowing at rates 1–2 percentage points above today's to make sure you can still service the loan through an RBA tightening cycle.
A median weekly rent of $100 works out to $433/month, covering 27% of the median mortgage repayment of $1,600/month. That leaves a $1,167/month shortfall (around $14,004/year before tax benefits), so a typical owner-occupier-priced property here is negatively geared. Actual cash flow depends on your deposit, loan terms, ownership costs and marginal tax rate — run the full numbers in our rental yield calculator.
The main risks are a thin buyer pool (100 residents), interest-rate sensitivity on the $1,600 median mortgage, the broader South Australia market cycle. Each of these is covered in the Risk Factors section above with suburb-specific numbers rather than generic warnings.
Every number on this page comes from the ABS 2021 Census of Population and Housing, Australia Post postcode reference data, and OpenStreetMap amenity tiles. The investment score, strategy verdicts, and comparison table are computed deterministically from those inputs — no opinion, no estimation. See our full methodology and the data sources and licences for the formulas we use.