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ABS 2021 Census · Updated 21 May 2026
Cooljarloo is a regional centre in Western Australia, Australia, with a population of approximately 13, making it a boutique locality. Located approximately 150 km from the Perth CBD, Cooljarloo is a regional area in Western Australia. The median household income is $129,948 per year.
Above-average earnings in Cooljarloo support sustained property values. As a regional location, growth prospects depend on local economic conditions and infrastructure investment.
Official Australia Post postcode for Cooljarloo. 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 Cooljarloo 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.
Cooljarloo is a smaller community of 13 — about 0% 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 $129,948/year runs 30% 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. Cooljarloo is 150 km from Perth, so the local market tracks regional employment and lifestyle drivers more than CBD-driven commuter demand. Only 38% of dwellings are separate houses (vs 79% state median), so this is a unit-heavy market where body-corporate decisions and strata supply meaningfully shape investor returns.
How Cooljarloo stacks up against the median of all Western Australia suburbs in our dataset. Positive values mean Cooljarloo sits above the state median; negative means below.
| Metric | Cooljarloo | WA median | Δ vs state |
|---|---|---|---|
| Population | 13 | 5,605 | -100% |
| Median household income | $129,948/yr | $99,736/yr | +30% |
| Distance to CBD | 150 km | 20 km | +650% |
| Separate houses | 38% | 79% | -41pp |
Pre-inspection briefing for Cooljarloo — every item is derived from public datasets, with full citations in our data sources page.
Limited buy-and-hold upside: a small population of 13 means liquidity is thin and capital growth tends to lag the wider Western Australia market over full cycles.
Median rental data was not captured for Cooljarloo. Use current realestate.com.au and Domain listings to triangulate a realistic weekly rent before committing, then feed that number into our rental yield calculator.
Only 38% of dwellings are separate houses (vs 79% WA 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 Cooljarloo property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Capital-growth expectations for Cooljarloo are modest for 2026 — incomes 30% above the WA median of $99,736 and a population of 13 suggest gains will lag headline metro markets. Rental fundamentals will need to be verified against live listings, as a clean median rent was not recorded for Cooljarloo. The EquitySight investment score of 52/100 places Cooljarloo 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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Cooljarloo scores 52/100 on our EquitySight investment framework — a moderate rating. That score is driven by a population of 13, median household income of $129,948/year. 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 Cooljarloo are an above-state-median household income of $129,948/year, a dwelling mix that is 38% 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.
Cooljarloo has a usual resident population of approximately 13, 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.
Cooljarloo sits 150 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.
A reliable median rent was not captured for Cooljarloo. Benchmark expected weekly rent on realestate.com.au and Domain, or the state rental tribunal's rent dashboard. Most Australian investors target a 4–5% gross yield as a baseline.
A reliable median mortgage figure was not captured for Cooljarloo. Use our loan serviceability calculator to estimate a realistic monthly repayment for your target purchase price and deposit.
Census data was not complete enough in Cooljarloo to compute a clean rent-to-mortgage coverage. Use current listings to benchmark weekly rent, then plug your expected purchase price into our rental yield calculator to see whether the investment runs cash-flow positive or negative.
The main risks are a thin buyer pool (13 residents), interest-rate sensitivity, a unit-heavy dwelling mix (38% houses) where body-corporate costs and apartment supply affect resale, 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.