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ABS 2021 Census · Updated 21 May 2026
Karratha is a regional centre in Western Australia, Australia, with a population of approximately 98, making it a boutique locality. Located approximately 1251 km from the Perth CBD, Karratha is a regional area in Western Australia. The median household income is $82,316 per year.
Household incomes in Karratha sit in a comfortable mid-range for the Western Australia market. As a regional location, growth prospects depend on local economic conditions and infrastructure investment.
Official Australia Post postcode for Karratha. 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 Karratha 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.
Karratha is a smaller community of 98 — about 2% of the Western Australia suburb median (5,605) — so investors should factor in the narrower buyer pool and longer average time-on-market. Household income of $82,316/year is 17% below the Western Australia median of $99,736, typically translating into lower entry prices and a tenant base more sensitive to rent increases. The median weekly rent of $280 translates to approximately $14,560/year in gross rental income, setting the upper bound on yield before vacancy, rates, insurance and maintenance. Karratha is 1251 km from Perth, so the local market tracks regional employment and lifestyle drivers more than CBD-driven commuter demand.
How Karratha stacks up against the median of all Western Australia suburbs in our dataset. Positive values mean Karratha sits above the state median; negative means below.
| Metric | Karratha | WA median | Δ vs state |
|---|---|---|---|
| Population | 98 | 5,605 | -98% |
| Median household income | $82,316/yr | $99,736/yr | -17% |
| Median rent (weekly) | $280 | $350 | -20% |
| Distance to CBD | 1251 km | 20 km | +6155% |
Pre-inspection briefing for Karratha — every item is derived from public datasets, with full citations in our data sources page.
Limited buy-and-hold upside: a small population of 98 means liquidity is thin and capital growth tends to lag the wider Western Australia market over full cycles.
Gross rent of $280/week (~$14,560/year) sets the yield ceiling. Cross-check against your purchase price to confirm whether this suburb hits the 4–5% gross yield most Australian investors target.
With a population of 98, the resale market in Karratha may not reliably reward cosmetic renovations — a longer hold is typically a better strategy at this scale, letting land-value appreciation do the work instead.
Run the numbers on a Karratha property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Capital-growth expectations for Karratha are modest for 2026 — incomes 17% below the WA median of $99,736 and a population of 98 suggest gains will lag headline metro markets. Rents sit around $280/week, setting the baseline gross rental income at roughly $14,560/year — refine this against current listings before running your numbers. The EquitySight investment score of 34/100 places Karratha in the lower tier of Australian suburbs we profile, and overall investor sentiment is cautious heading into the second half of 2026.
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Karratha scores 34/100 on our EquitySight investment framework — a weak rating. That score is driven by a population of 98, median household income of $82,316/year and median weekly rent of $280. 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 Karratha are a median household income of $82,316/year, 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.
Karratha has a usual resident population of approximately 98, 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.
Karratha sits 1251 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 $280 in Karratha, equating to approximately $14,560/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.
A reliable median mortgage figure was not captured for Karratha. 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 Karratha 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 (98 residents), interest-rate sensitivity, below-median household incomes ($82,316 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.