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ABS 2021 Census · Updated 21 May 2026
Mariginiup is a well-established middle-ring suburb of Perth, Australia, with a population of approximately 876, making it a boutique locality. Located approximately 27 km from the Perth CBD, Mariginiup is a middle ring area in Western Australia. The median household income is $115,544 per year.
Mariginiup benefits from a high-income resident base, supporting premium property pricing.
Official Australia Post postcode for Mariginiup. 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 Mariginiup 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.
Mariginiup is a smaller community of 876 — about 16% of the Western Australia suburb median (5,605) — so investors should factor in the narrower buyer pool and longer average time-on-market. Median household income of $115,544/year runs 16% above the Western Australia suburb median of $99,736, indicating strong purchasing power and the type of demographic profile that tends to sustain premium property prices through market cycles. Rent of $525/week (81% coverage of the $2,817/month median mortgage) leaves a gap of roughly $542/month that a typical investor bridges with negative gearing, depreciation and capital growth. At 27 km from Perth, Mariginiup is an outer-metro location where buyers are typically trading commute time for floor space and a lower entry price.
How Mariginiup stacks up against the median of all Western Australia suburbs in our dataset. Positive values mean Mariginiup sits above the state median; negative means below.
| Metric | Mariginiup | WA median | Δ vs state |
|---|---|---|---|
| Population | 876 | 5,605 | -84% |
| Median household income | $115,544/yr | $99,736/yr | +16% |
| Median rent (weekly) | $525 | $350 | +50% |
| Median mortgage (monthly) | $2,817 | $1,902 | +48% |
| Distance to CBD | 27 km | 20 km | +35% |
| Separate houses | 91% | 79% | +12pp |
Pre-inspection briefing for Mariginiup — every item is derived from public datasets, with full citations in our data sources page.
Limited buy-and-hold upside: a small population of 876 means liquidity is thin and capital growth tends to lag the wider Western Australia market over full cycles.
Moderate rental coverage: rent of $525/week covers 81% of a $2,817/month mortgage, leaving a $542/month gap that an investor bridges with equity, depreciation and tax benefits.
With 91% houses in a 876-person market, renovation margins depend on individual street and aspect rather than any suburb-wide story — do comparable-sales analysis before committing capital.
Run the numbers on a Mariginiup property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Capital-growth expectations for Mariginiup are modest for 2026 — incomes 16% above the WA median of $99,736 and a population of 876 suggest gains will lag headline metro markets. Rental coverage runs at ~81% of the typical mortgage ($2,275/month rent vs $2,817/month repayment), keeping cash flow in positive or near-neutral territory. The EquitySight investment score of 66/100 places Mariginiup in the upper-middle tier of Australian suburbs we profile, and overall investor sentiment is balanced heading into the second half of 2026.
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Mariginiup scores 66/100 on our EquitySight investment framework — a good rating. That score is driven by a population of 876, median household income of $115,544/year and median weekly rent of $525. 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 Mariginiup are an above-state-median household income of $115,544/year, a dwelling mix that is 91% 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.
Mariginiup has a usual resident population of approximately 876, compared with a Western Australia suburb median of 5,605 — 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.
Mariginiup sits 27 km straight-line from the Perth CBD. This is an outer-metro location; local employment and infrastructure announcements tend to move prices more than CBD connectivity alone.
The most recent census recorded a median weekly rent of $525 in Mariginiup, equating to approximately $27,300/year in gross rental income (state median $350/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 Mariginiup is $2,817, or approximately $33,804/year (vs $1,902/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 $525 works out to $2,275/month, covering 81% of the median mortgage repayment of $2,817/month. That leaves a $542/month shortfall (around $6,504/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 (876 residents), interest-rate sensitivity on the $2,817 median mortgage, the broader Western 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.