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ABS 2021 Census · Updated 21 May 2026
Koondoola is a well-established middle-ring suburb of Perth, Australia, with a population of approximately 3,919, making it a boutique locality. Located approximately 12 km from the Perth CBD, Koondoola is a middle ring area in Western Australia. The median household income is $61,620 per year.
Koondoola's income profile suggests a value-oriented market with competitive purchase prices. The short commute to the city centre is a key demand driver.
Official Australia Post postcode for Koondoola. 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 Koondoola on My School →Estimated 2 parks 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.
Koondoola is a smaller community of 3,919 — about 70% of the Western Australia suburb median (5,605) — so investors should factor in the narrower buyer pool and longer average time-on-market. Koondoola's median household income of $61,620/year is 38% below the Western Australia suburb median ($99,736) — this is an affordability play where returns lean on yield and patient capital growth rather than demographic premium. Rent of $285/week (89% coverage of the $1,387/month median mortgage) leaves a gap of roughly $152/month that a typical investor bridges with negative gearing, depreciation and capital growth. 12 km from Perth places Koondoola in the middle commuter belt, close enough for daily trips by car or rail but at a materially lower price point than inner suburbs.
Middle-ring locations like this one historically reward patient holders — focus on homes near catchment-zone schools and major transport. Local rents consume roughly 24% of household income — a useful sanity check on tenant affordability.
How Koondoola stacks up against the median of all Western Australia suburbs in our dataset. Positive values mean Koondoola sits above the state median; negative means below.
| Metric | Koondoola | WA median | Δ vs state |
|---|---|---|---|
| Population | 3,919 | 5,605 | -30% |
| Median household income | $61,620/yr | $99,736/yr | -38% |
| Median rent (weekly) | $285 | $350 | -19% |
| Median mortgage (monthly) | $1,387 | $1,902 | -27% |
| Distance to CBD | 12 km | 20 km | -40% |
| Separate houses | 80% | 79% | +1pp |
Pre-inspection briefing for Koondoola — every item is derived from public datasets, with full citations in our data sources page.
Limited buy-and-hold upside: household incomes 38% below the WA median ($61,620 vs $99,736) means liquidity is thin and capital growth tends to lag the wider Western Australia market over full cycles.
Strong rental coverage: $285/week (~$1,235/month) covers 89% of the $1,387/month median mortgage repayment, so the shortfall sits at just $152/month. Investors targeting positive cash flow should shortlist this suburb.
With 80% houses in a 3,919-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 Koondoola property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Capital-growth expectations for Koondoola are modest for 2026 — incomes 38% below the WA median of $99,736 and a population of 3,919 suggest gains will lag headline metro markets. Rental coverage runs at ~89% of the typical mortgage ($1,235/month rent vs $1,387/month repayment), keeping cash flow in positive or near-neutral territory. The EquitySight investment score of 60/100 places Koondoola in the mid tier of Australian suburbs we profile, and overall investor sentiment is balanced heading into the second half of 2026.
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Koondoola scores 60/100 on our EquitySight investment framework — a moderate rating. That score is driven by a population of 3,919, median household income of $61,620/year and median weekly rent of $285. 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 Koondoola are proximity to Perth (12 km), a median household income of $61,620/year, a dwelling mix that is 80% separate houses, roughly 1 schools and 2 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.
Koondoola has a usual resident population of approximately 3,919, 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.
Koondoola sits 12 km straight-line from the Perth CBD. This is comfortable commuter territory, with reasonable rail and road access to the city.
The most recent census recorded a median weekly rent of $285 in Koondoola, equating to approximately $14,820/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 Koondoola is $1,387, or approximately $16,644/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 $285 works out to $1,235/month, covering 89% of the median mortgage repayment of $1,387/month. That leaves a $152/month shortfall (around $1,824/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 (3,919 residents), interest-rate sensitivity on the $1,387 median mortgage, below-median household incomes ($61,620 vs $99,736 state median), 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.