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ABS 2021 Census · Updated 21 May 2026
Warnbro is an outer-metropolitan suburb of Perth, Australia, with a population of approximately 10,828, making it a smaller community. Located approximately 44 km from the Perth CBD, Warnbro is a outer metro area in Western Australia. The median household income is $78,156 per year.
Household incomes in Warnbro sit in a comfortable mid-range for the Western Australia market. The outer location offers affordability but may see slower price appreciation.
Official Australia Post postcode for Warnbro. 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 3 schools within or near this suburb.
Find schools near Warnbro on My School →Estimated 4 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.
Warnbro's population of 10,828 sits 93% above the Western Australia suburb median of 5,605, giving it a wider tenant and buyer catchment than the average WA locality. Warnbro's median household income of $78,156/year is 22% 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. Median weekly rent of $320 equates to $1,387/month — about 91% of the median mortgage repayment of $1,517/month — meaning rental income covers most of a typical owner's repayment and this is a genuine cash-flow suburb before tax benefits. At 44 km from Perth, Warnbro is an outer-metro location where buyers are typically trading commute time for floor space and a lower entry price.
This suburb suits long-term investors due to steady population growth and affordable entry prices. Look for established streets close to schools and shops rather than raw new-estate land. Local rents consume roughly 21% of household income — a useful sanity check on tenant affordability.
How Warnbro stacks up against the median of all Western Australia suburbs in our dataset. Positive values mean Warnbro sits above the state median; negative means below.
| Metric | Warnbro | WA median | Δ vs state |
|---|---|---|---|
| Population | 10,828 | 5,605 | +93% |
| Median household income | $78,156/yr | $99,736/yr | -22% |
| Median rent (weekly) | $320 | $350 | -9% |
| Median mortgage (monthly) | $1,517 | $1,902 | -20% |
| Distance to CBD | 44 km | 20 km | +120% |
| Separate houses | 88% | 79% | +9pp |
Pre-inspection briefing for Warnbro — every item is derived from public datasets, with full citations in our data sources page.
Limited buy-and-hold upside: household incomes 22% below the WA median ($78,156 vs $99,736) means liquidity is thin and capital growth tends to lag the wider Western Australia market over full cycles.
Strong rental coverage: $320/week (~$1,387/month) covers 91% of the $1,517/month median mortgage repayment, so the shortfall sits at just $130/month. Investors targeting positive cash flow should shortlist this suburb.
With 88% houses in a 10,828-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 Warnbro property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Capital-growth expectations for Warnbro are modest for 2026 — incomes 22% below the WA median of $99,736 suggest gains will lag headline metro markets. Rental coverage runs at ~91% of the typical mortgage ($1,387/month rent vs $1,517/month repayment), keeping cash flow in positive or near-neutral territory. The EquitySight investment score of 50/100 places Warnbro 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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Warnbro scores 50/100 on our EquitySight investment framework — a moderate rating. That score is driven by a population of 10,828, median household income of $78,156/year and median weekly rent of $320. 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 Warnbro are a median household income of $78,156/year, a dwelling mix that is 88% separate houses, roughly 3 schools and 4 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.
Warnbro has a usual resident population of approximately 10,828, compared with a Western Australia suburb median of 5,605 — placing it in the upper 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.
Warnbro sits 44 km straight-line from the Perth CBD. This is an outer-metro location; local employment and infrastructure announcements tend to move prices more than CBD connectivity alone.
The most recent census recorded a median weekly rent of $320 in Warnbro, equating to approximately $16,640/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 Warnbro is $1,517, or approximately $18,204/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 $320 works out to $1,387/month, covering 91% of the median mortgage repayment of $1,517/month. That leaves a $130/month shortfall (around $1,560/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 interest-rate sensitivity on the $1,517 median mortgage, below-median household incomes ($78,156 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.