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ABS 2021 Census · Updated 21 May 2026
Mills Lake is a coastal suburb in Western Australia, Australia, with a population of approximately 39, making it a boutique locality. Located approximately 331 km from the Perth CBD, Mills Lake is a coastal area in Western Australia. The median household income is $84,448 per year.
Moderate income levels in Mills Lake indicate steady rental demand from working households. Coastal lifestyle appeal adds a premium that supports long-term demand.
Official Australia Post postcode for Mills Lake. 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 Mills Lake 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.
Mills Lake is a smaller community of 39 — about 1% 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 $84,448/year is 15% below the Western Australia median of $99,736, typically translating into lower entry prices and a tenant base more sensitive to rent increases. Mills Lake is 331 km from Perth, so the local market tracks regional employment and lifestyle drivers more than CBD-driven commuter demand. Only 57% of dwellings are separate houses (vs 79% state median), so this is a unit-heavy market where body-corporate decisions and strata supply meaningfully shape investor returns.
How Mills Lake stacks up against the median of all Western Australia suburbs in our dataset. Positive values mean Mills Lake sits above the state median; negative means below.
| Metric | Mills Lake | WA median | Δ vs state |
|---|---|---|---|
| Population | 39 | 5,605 | -99% |
| Median household income | $84,448/yr | $99,736/yr | -15% |
| Median mortgage (monthly) | $8,500 | $1,902 | +347% |
| Distance to CBD | 331 km | 20 km | +1555% |
| Separate houses | 57% | 79% | -22pp |
Pre-inspection briefing for Mills Lake — every item is derived from public datasets, with full citations in our data sources page.
Limited buy-and-hold upside: a small population of 39 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 Mills Lake. 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.
Only 57% of dwellings are separate houses (vs 79% WA median) — this is a unit and townhouse market, where cosmetic flips struggle against body-corporate restrictions, thinner after-reno uplift and competing new supply.
Run the numbers on a Mills Lake property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Capital-growth expectations for Mills Lake are modest for 2026 — incomes 15% below the WA median of $99,736 and a population of 39 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 Mills Lake. The EquitySight investment score of 43/100 places Mills Lake in the mid tier of Australian suburbs we profile, and overall investor sentiment is cautious heading into the second half of 2026.
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Mills Lake scores 43/100 on our EquitySight investment framework — a moderate rating. That score is driven by a population of 39, median household income of $84,448/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 Mills Lake are a median household income of $84,448/year, a dwelling mix that is 57% 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.
Mills Lake has a usual resident population of approximately 39, 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.
Mills Lake sits 331 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 Mills Lake. 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 Mills Lake is $8,500, or approximately $102,000/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 Mills Lake 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 (39 residents), interest-rate sensitivity on the $8,500 median mortgage, below-median household incomes ($84,448 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.