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ABS 2021 Census · Updated 21 May 2026
Coolup is an outer-metropolitan suburb of Perth, Australia, with a population of approximately 420, making it a boutique locality. Located approximately 90 km from the Perth CBD, Coolup is a outer metro area in Western Australia. The median household income is $112,268 per year.
Coolup benefits from a high-income resident base, supporting premium property pricing. Greater distance from the CBD may temper short-term capital growth.
Official Australia Post postcode for Coolup. 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 Coolup 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.
Coolup is a smaller community of 420 — about 7% of the Western Australia suburb median (5,605) — so investors should factor in the narrower buyer pool and longer average time-on-market. Households here earn $112,268/year on average — 13% above the WA suburb median of $99,736 — a modest premium that supports resilient owner-occupier demand. Median rent of $270/week (~$1,170/month) covers only 59% of the median mortgage of $2,000/month — the remaining $830/month must be funded from other income, so this suburb tilts toward capital growth rather than yield. Coolup is 90 km from Perth, so the local market tracks regional employment and lifestyle drivers more than CBD-driven commuter demand.
How Coolup stacks up against the median of all Western Australia suburbs in our dataset. Positive values mean Coolup sits above the state median; negative means below.
| Metric | Coolup | WA median | Δ vs state |
|---|---|---|---|
| Population | 420 | 5,605 | -93% |
| Median household income | $112,268/yr | $99,736/yr | +13% |
| Median rent (weekly) | $270 | $350 | -23% |
| Median mortgage (monthly) | $2,000 | $1,902 | +5% |
| Distance to CBD | 90 km | 20 km | +350% |
| Separate houses | 89% | 79% | +10pp |
Pre-inspection briefing for Coolup — every item is derived from public datasets, with full citations in our data sources page.
Limited buy-and-hold upside: a small population of 420 means liquidity is thin and capital growth tends to lag the wider Western Australia market over full cycles.
Weak cash flow: $270/week rent covers only 59% of the $2,000/month median mortgage — a $830/month gap that must be funded from other income. This suburb is a capital-growth play, not a yield play.
With 89% houses in a 420-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 Coolup property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Capital-growth expectations for Coolup are modest for 2026 — incomes 13% above the WA median of $99,736 and a population of 420 suggest gains will lag headline metro markets. Rental coverage runs at ~59% of the typical mortgage ($1,170/month rent vs $2,000/month repayment), meaning investors will rely on capital growth rather than yield. The EquitySight investment score of 54/100 places Coolup 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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Coolup scores 54/100 on our EquitySight investment framework — a moderate rating. That score is driven by a population of 420, median household income of $112,268/year and median weekly rent of $270. 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 Coolup are an above-state-median household income of $112,268/year, a dwelling mix that is 89% 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.
Coolup has a usual resident population of approximately 420, 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.
Coolup sits 90 km straight-line from the Perth 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 $270 in Coolup, equating to approximately $14,040/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 Coolup is $2,000, or approximately $24,000/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 $270 works out to $1,170/month, covering 59% of the median mortgage repayment of $2,000/month. That leaves a $830/month shortfall (around $9,960/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 (420 residents), interest-rate sensitivity on the $2,000 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.