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ABS 2021 Census · Updated 21 May 2026
Two Rocks is a well-established middle-ring suburb of Perth, Australia, with a population of approximately 3,822, making it a boutique locality. Located approximately 57 km from the Perth CBD, Two Rocks is a middle ring area in Western Australia. The median household income is $79,352 per year.
Two Rocks has a solid income profile that supports reliable occupancy rates. The outer location offers affordability but may see slower price appreciation.
Official Australia Post postcode for Two Rocks. 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 Two Rocks on My School →Estimated 2 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.
Two Rocks is a smaller community of 3,822 — about 68% 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 $79,352/year is 20% below the Western Australia median of $99,736, typically translating into lower entry prices and a tenant base more sensitive to rent increases. Rent of $330/week (79% coverage of the $1,800/month median mortgage) leaves a gap of roughly $370/month that a typical investor bridges with negative gearing, depreciation and capital growth. Two Rocks is 57 km from Perth, so the local market tracks regional employment and lifestyle drivers more than CBD-driven commuter demand.
Middle-ring locations like this one historically reward patient holders — focus on homes near catchment-zone schools and major transport. Local rents consume roughly 22% of household income — a useful sanity check on tenant affordability.
How Two Rocks stacks up against the median of all Western Australia suburbs in our dataset. Positive values mean Two Rocks sits above the state median; negative means below.
| Metric | Two Rocks | WA median | Δ vs state |
|---|---|---|---|
| Population | 3,822 | 5,605 | -32% |
| Median household income | $79,352/yr | $99,736/yr | -20% |
| Median rent (weekly) | $330 | $350 | -6% |
| Median mortgage (monthly) | $1,800 | $1,902 | -5% |
| Distance to CBD | 57 km | 20 km | +185% |
| Separate houses | 86% | 79% | +7pp |
Pre-inspection briefing for Two Rocks — every item is derived from public datasets, with full citations in our data sources page.
Limited buy-and-hold upside: household incomes 20% below the WA median ($79,352 vs $99,736) means liquidity is thin and capital growth tends to lag the wider Western Australia market over full cycles.
Moderate rental coverage: rent of $330/week covers 79% of a $1,800/month mortgage, leaving a $370/month gap that an investor bridges with equity, depreciation and tax benefits.
With 86% houses in a 3,822-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 Two Rocks property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Capital-growth expectations for Two Rocks are modest for 2026 — incomes 20% below the WA median of $99,736 and a population of 3,822 suggest gains will lag headline metro markets. Rental coverage runs at ~79% of the typical mortgage ($1,430/month rent vs $1,800/month repayment), leaving a manageable top-up for most investors. The EquitySight investment score of 52/100 places Two Rocks 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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Two Rocks scores 52/100 on our EquitySight investment framework — a moderate rating. That score is driven by a population of 3,822, median household income of $79,352/year and median weekly rent of $330. 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 Two Rocks are a median household income of $79,352/year, a dwelling mix that is 86% separate houses, roughly 1 schools and 2 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.
Two Rocks has a usual resident population of approximately 3,822, 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.
Two Rocks sits 57 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 $330 in Two Rocks, equating to approximately $17,160/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 Two Rocks is $1,800, or approximately $21,600/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 $330 works out to $1,430/month, covering 79% of the median mortgage repayment of $1,800/month. That leaves a $370/month shortfall (around $4,440/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 (3,822 residents), interest-rate sensitivity on the $1,800 median mortgage, below-median household incomes ($79,352 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.