EquitySight.app
Free full calculator →
EquitySight.app
Free full calculator →
ABS 2021 Census · Updated 21 May 2026
Serpentine is an outer-metropolitan suburb of Perth, Australia, with a population of approximately 2,863, making it a boutique locality. Located approximately 50 km from the Perth CBD, Serpentine is a outer metro area in Western Australia. The median household income is $101,660 per year.
Serpentine benefits from a high-income resident base, supporting premium property pricing. While further from the city, improving transport links could boost future demand.
Official Australia Post postcode for Serpentine. 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 Serpentine 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.
Serpentine is a smaller community of 2,863 — about 51% of the Western Australia suburb median (5,605) — so investors should factor in the narrower buyer pool and longer average time-on-market. At $101,660/year, household income in Serpentine is within 2% of the Western Australia median ($99,736), placing the suburb firmly in the state's mainstream demographic band. Median rent of $348/week (~$1,508/month) covers only 69% of the median mortgage of $2,200/month — the remaining $692/month must be funded from other income, so this suburb tilts toward capital growth rather than yield. At 50 km from Perth, Serpentine 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 18% of household income — a useful sanity check on tenant affordability.
How Serpentine stacks up against the median of all Western Australia suburbs in our dataset. Positive values mean Serpentine sits above the state median; negative means below.
| Metric | Serpentine | WA median | Δ vs state |
|---|---|---|---|
| Population | 2,863 | 5,605 | -49% |
| Median household income | $101,660/yr | $99,736/yr | +2% |
| Median rent (weekly) | $348 | $350 | -1% |
| Median mortgage (monthly) | $2,200 | $1,902 | +16% |
| Distance to CBD | 50 km | 20 km | +150% |
| Separate houses | 81% | 79% | +2pp |
Pre-inspection briefing for Serpentine — every item is derived from public datasets, with full citations in our data sources page.
Limited buy-and-hold upside: a small population of 2,863 means liquidity is thin and capital growth tends to lag the wider Western Australia market over full cycles.
Moderate rental coverage: rent of $348/week covers 69% of a $2,200/month mortgage, leaving a $692/month gap that an investor bridges with equity, depreciation and tax benefits.
With 81% houses in a 2,863-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 Serpentine property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Capital-growth expectations for Serpentine are modest for 2026 — incomes close to the WA median of $99,736 and a population of 2,863 suggest gains will lag headline metro markets. Rental coverage runs at ~69% of the typical mortgage ($1,508/month rent vs $2,200/month repayment), leaving a manageable top-up for most investors. The EquitySight investment score of 54/100 places Serpentine in the mid tier of Australian suburbs we profile, and overall investor sentiment is balanced heading into the second half of 2026.
Lived in Serpentine? Help other investors with an honest 100-word review. Sign-in required; all reviews are manually moderated before they appear.
Serpentine scores 54/100 on our EquitySight investment framework — a moderate rating. That score is driven by a population of 2,863, median household income of $101,660/year and median weekly rent of $348. 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 Serpentine are an above-state-median household income of $101,660/year, a dwelling mix that is 81% 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.
Serpentine has a usual resident population of approximately 2,863, 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.
Serpentine sits 50 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 $348 in Serpentine, equating to approximately $18,096/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 Serpentine is $2,200, or approximately $26,400/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 $348 works out to $1,508/month, covering 69% of the median mortgage repayment of $2,200/month. That leaves a $692/month shortfall (around $8,304/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 (2,863 residents), interest-rate sensitivity on the $2,200 median mortgage, 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.