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ABS 2021 Census · Updated 21 May 2026
Lake Ninan is a regional centre in Western Australia, Australia, with a population of approximately 17, making it a boutique locality. Located approximately 135 km from the Perth CBD, Lake Ninan is a regional area in Western Australia. The median household income is $136,448 per year.
Strong household incomes in Lake Ninan underpin solid property demand. Regional positioning means lower entry costs but potentially longer hold periods for capital gains.
Official Australia Post postcode for Lake Ninan. 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 Lake Ninan 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.
Lake Ninan is a smaller community of 17 — about 0% of the Western Australia suburb median (5,605) — so investors should factor in the narrower buyer pool and longer average time-on-market. Median household income of $136,448/year runs 37% above the Western Australia suburb median of $99,736, indicating strong purchasing power and the type of demographic profile that tends to sustain premium property prices through market cycles. Lake Ninan is 135 km from Perth, so the local market tracks regional employment and lifestyle drivers more than CBD-driven commuter demand. Separate houses make up 122% of dwellings — 43 percentage points above the Western Australia median of 79% — pointing to a family-oriented, land-rich market where value is concentrated in the underlying block.
How Lake Ninan stacks up against the median of all Western Australia suburbs in our dataset. Positive values mean Lake Ninan sits above the state median; negative means below.
| Metric | Lake Ninan | WA median | Δ vs state |
|---|---|---|---|
| Population | 17 | 5,605 | -100% |
| Median household income | $136,448/yr | $99,736/yr | +37% |
| Median mortgage (monthly) | $2,167 | $1,902 | +14% |
| Distance to CBD | 135 km | 20 km | +575% |
| Separate houses | 122% | 79% | +43pp |
Pre-inspection briefing for Lake Ninan — every item is derived from public datasets, with full citations in our data sources page.
Limited buy-and-hold upside: a small population of 17 means liquidity is thin and capital growth tends to lag the wider Western Australia market over full cycles.
Median rental data was not captured for Lake Ninan. Use current realestate.com.au and Domain listings to triangulate a realistic weekly rent before committing, then feed that number into our rental yield calculator.
With 122% houses in a 17-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 Lake Ninan property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Capital-growth expectations for Lake Ninan are modest for 2026 — incomes 37% above the WA median of $99,736 and a population of 17 suggest gains will lag headline metro markets. Rental fundamentals will need to be verified against live listings, as a clean median rent was not recorded for Lake Ninan. The EquitySight investment score of 49/100 places Lake Ninan in the mid tier of Australian suburbs we profile, and overall investor sentiment is cautious heading into the second half of 2026.
Lived in Lake Ninan? Help other investors with an honest 100-word review. Sign-in required; all reviews are manually moderated before they appear.
Lake Ninan scores 49/100 on our EquitySight investment framework — a moderate rating. That score is driven by a population of 17, median household income of $136,448/year. 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 Lake Ninan are an above-state-median household income of $136,448/year, a dwelling mix that is 122% 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.
Lake Ninan has a usual resident population of approximately 17, 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.
Lake Ninan sits 135 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.
A reliable median rent was not captured for Lake Ninan. Benchmark expected weekly rent on realestate.com.au and Domain, or the state rental tribunal's rent dashboard. Most Australian investors target a 4–5% gross yield as a baseline.
The median monthly mortgage repayment in Lake Ninan is $2,167, or approximately $26,004/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.
Census data was not complete enough in Lake Ninan 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 (17 residents), interest-rate sensitivity on the $2,167 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.