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ABS 2021 Census · Updated 21 May 2026
Mount Erin is a coastal suburb in Western Australia, Australia, with a population of approximately 8, making it a boutique locality. Located approximately 388 km from the Perth CBD, Mount Erin is a coastal area in Western Australia. The median household income is $37,648 per year.
Household earnings in Mount Erin are below the state average, which may affect long-term capital growth. The coastal setting provides a lifestyle factor that underpins property values.
Official Australia Post postcode for Mount Erin. 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 Mount Erin 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.
Mount Erin is a smaller community of 8 — 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. Mount Erin's median household income of $37,648/year is 62% 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. The median weekly rent of $350 translates to approximately $18,200/year in gross rental income, setting the upper bound on yield before vacancy, rates, insurance and maintenance. Mount Erin is 388 km from Perth, so the local market tracks regional employment and lifestyle drivers more than CBD-driven commuter demand.
How Mount Erin stacks up against the median of all Western Australia suburbs in our dataset. Positive values mean Mount Erin sits above the state median; negative means below.
| Metric | Mount Erin | WA median | Δ vs state |
|---|---|---|---|
| Population | 8 | 5,605 | -100% |
| Median household income | $37,648/yr | $99,736/yr | -62% |
| Median rent (weekly) | $350 | $350 | 0% |
| Distance to CBD | 388 km | 20 km | +1840% |
Pre-inspection briefing for Mount Erin — every item is derived from public datasets, with full citations in our data sources page.
Limited buy-and-hold upside: a small population of 8 means liquidity is thin and capital growth tends to lag the wider Western Australia market over full cycles.
Gross rent of $350/week (~$18,200/year) sets the yield ceiling. Cross-check against your purchase price to confirm whether this suburb hits the 4–5% gross yield most Australian investors target.
With a population of 8, the resale market in Mount Erin may not reliably reward cosmetic renovations — a longer hold is typically a better strategy at this scale, letting land-value appreciation do the work instead.
Run the numbers on a Mount Erin property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Capital-growth expectations for Mount Erin are modest for 2026 — incomes 62% below the WA median of $99,736 and a population of 8 suggest gains will lag headline metro markets. Rents sit around $350/week, setting the baseline gross rental income at roughly $18,200/year — refine this against current listings before running your numbers. The EquitySight investment score of 33/100 places Mount Erin in the lower tier of Australian suburbs we profile, and overall investor sentiment is cautious heading into the second half of 2026.
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Mount Erin scores 33/100 on our EquitySight investment framework — a weak rating. That score is driven by a population of 8, median household income of $37,648/year and median weekly rent of $350. 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 Mount Erin are a median household income of $37,648/year, 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.
Mount Erin has a usual resident population of approximately 8, 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.
Mount Erin sits 388 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 $350 in Mount Erin, equating to approximately $18,200/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.
A reliable median mortgage figure was not captured for Mount Erin. Use our loan serviceability calculator to estimate a realistic monthly repayment for your target purchase price and deposit.
Census data was not complete enough in Mount Erin 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 (8 residents), interest-rate sensitivity, below-median household incomes ($37,648 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.