Cossack is in Karratha LGA, WA, postcode 6720, with population 14.
The page is still useful for local context, but the evidence stack is too thin for a clean one-page call. Use nearby stronger suburbs or compare mode before treating it as a serious shortlist decision.
Population movement supports a growth-led read.
The page is thin enough that nearby alternatives should be checked before shortlisting. Small local population makes the signal set more fragile.
Price series isn't recorded for this suburb. Census housing data is shown instead.
Building due diligence
The National Construction Code is the baseline. Local hazards and site classifications can change the required structure, materials, fixings, insulation and detailing.
No local compliance layer is staged.
This is missing evidence, not evidence that the property has no constraints.
Confirm the NCC climate zone used for the building design and energy provisions.
May affect: Insulation and glazing · Condensation control · Roof-space ventilation
A suburb layer cannot determine the site wind classification or Bushfire Attack Level.
May affect: Structure and tie-downs · Cladding and fixings · Openings and bushfire detailing
Confirm marine or corrosive exposure and the applicable termite-management requirements.
May affect: Fasteners and connectors · Roofing and coatings · Termite management
This screen identifies investigation triggers, not building quality or property compliance. Confirm the address, design and current jurisdiction rules with the council, building surveyor or certifier, designer and engineer.
NCC 2022 Housing Provisions: how to use · NCC 2022 Volume Two and Housing Provisions
ABS population projection (2022 base) for the Roebourne SA2 statistical area — the finest official projection grain available; suburb-level projections do not exist.
Located in Western Australia within the Karratha local government area, Cossack is a small, quiet locality (postcode 6720). It is home to about 14 residents, with a notably youthful population and a median age of 24. Households earn a median income of $110K per year, with an average household size of 2 people. Recent annual estimates show population movement into the broader catchment, with population growth running at +2.2% year-on-year at the LGA level. WA employment has moved +1.9% year-on-year in the official ABS Labour Force trend series, which provides the broader jobs backdrop for this suburb. WA also had 24 Commonwealth-backed major projects under construction, 12 underway, and 12 in planning as at 2025-09-01, which is useful as a broader delivery backdrop rather than a suburb-specific project count.
The median monthly mortgage repayment is $2,104.
From an investment perspective, Population growth of +2.2% year-on-year points to strong growth demand fundamentals. Building approvals have changed +0% year-on-year, indicating steady development activity.
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Cossack is a thin local read, not a complete suburb verdict.
QuickProperty mixes release files, Census baselines, and matched local services on this page. Read the status panel before treating every metric as equally fresh.
REIWA public suburb pages (annual median series) scraped monthly; unmatched suburbs fall back to annual ABS SA2 series
Treat the rent field as missing until a market or plausible Census rent value is linked.
Schools, transport, and hospitals are useful as presence signals, but they still have different source cadences.
This page stays indexable because Cossack is a real locality with enough context to be directionally useful. The tradeoff is that coverage is lighter than a stronger suburb profile, so the read should stay cautious.
Small-population localities can still be worth checking, but rankings, comparisons, and broad suburb assumptions become noisier faster.
Coverage is thinner on school matches, hospital coverage, transport stops, and crime coverage; lean less on this one page and confirm those gaps elsewhere.
Lean on nearby suburbs, rankings, and the state hub for stronger comparables before treating this as a shortlist call.
This page remains visible, but it should be read as a locality brief rather than a full-confidence suburb profile.
Use this page to set direction, not to close a decision — frame the locality here, then confirm with compare, stronger nearby suburbs, and the state hub.
If Cossack feels too thin on its own, use these nearby suburbs as stronger local reads before making a shortlist decision.
pop same
Similar local read: useful for context, but still compare the actual market signals.
pop same
Similar local read: useful for context, but still compare the actual market signals.
Cossack is in the Karratha Local Government Area, WA, postcode 6720. Council-level context for Karratha LGA (suburb mix, population, rent, and price coverage) is available on the QuickProperty LGA page.
QuickProperty's investment signals for Cossack show: Strong Growth, Steady. These are computed from price, rent, income, and population data — not an opaque score.
Property prices come from state Valuers General offices and ABS Data by Region. Demographics are from ABS Census 2021. School ICSEA scores are from ACARA. Crime statistics are from state police agencies. Transport data is sourced from GTFS feeds.
Property prices update quarterly. RBA macro indicators update with each deploy. Demographics are from Census 2021. School ICSEA scores are from ACARA 2025.