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ABS 2021 Census · Updated 21 May 2026
Trevallyn is a regional centre in Tasmania, Australia, with a population of approximately 4,826, making it a boutique locality. Located approximately 161 km from the Hobart CBD, Trevallyn is a regional area in Tasmania. The median household income is $83,928 per year.
Household incomes in Trevallyn sit in a comfortable mid-range for the Tasmania market. As a regional location, growth prospects depend on local economic conditions and infrastructure investment.
Official Australia Post postcode for Trevallyn. 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 Trevallyn 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.
Trevallyn's population of 4,826 sits 24% above the Tasmania suburb median of 3,902, giving it a wider tenant and buyer catchment than the average TAS locality. Households here earn $83,928/year on average — 14% above the TAS suburb median of $73,944 — a modest premium that supports resilient owner-occupier demand. Median weekly rent of $300 equates to $1,300/month — about 94% of the median mortgage repayment of $1,387/month — meaning rental income covers most of a typical owner's repayment and this is a genuine cash-flow suburb before tax benefits. Trevallyn is 161 km from Hobart, so the local market tracks regional employment and lifestyle drivers more than CBD-driven commuter demand.
This suburb suits yield-focused investors who are comfortable with lower liquidity. Employment concentration and local population trends matter more here than in metro markets. Local rents consume roughly 19% of household income — a useful sanity check on tenant affordability.
How Trevallyn stacks up against the median of all Tasmania suburbs in our dataset. Positive values mean Trevallyn sits above the state median; negative means below.
| Metric | Trevallyn | TAS median | Δ vs state |
|---|---|---|---|
| Population | 4,826 | 3,902 | +24% |
| Median household income | $83,928/yr | $73,944/yr | +14% |
| Median rent (weekly) | $300 | $320 | -6% |
| Median mortgage (monthly) | $1,387 | $1,378 | +1% |
| Distance to CBD | 161 km | 24 km | +571% |
| Separate houses | 84% | 80% | +4pp |
Pre-inspection briefing for Trevallyn — every item is derived from public datasets, with full citations in our data sources page.
Moderate buy-and-hold potential: Trevallyn's 4,826-person market and $83,928 median household income work for investors who are selective on street location and property quality rather than counting on a suburb-wide rerating.
Strong rental coverage: $300/week (~$1,300/month) covers 94% of the $1,387/month median mortgage repayment, so the shortfall sits at just $87/month. Investors targeting positive cash flow should shortlist this suburb.
With 84% houses in a 4,826-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 Trevallyn property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Capital-growth expectations for Trevallyn are modest for 2026 — incomes 14% above the TAS median of $73,944 and a population of 4,826 suggest gains will lag headline metro markets. Rental coverage runs at ~94% of the typical mortgage ($1,300/month rent vs $1,387/month repayment), keeping cash flow in positive or near-neutral territory. The EquitySight investment score of 44/100 places Trevallyn 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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Trevallyn scores 44/100 on our EquitySight investment framework — a moderate rating. That score is driven by a population of 4,826, median household income of $83,928/year and median weekly rent of $300. 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 Trevallyn are an above-state-median household income of $83,928/year, a dwelling mix that is 84% 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.
Trevallyn has a usual resident population of approximately 4,826, compared with a Tasmania suburb median of 3,902 — placing it in the upper 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.
Trevallyn sits 161 km straight-line from the Hobart 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 $300 in Trevallyn, equating to approximately $15,600/year in gross rental income (state median $320/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 Trevallyn is $1,387, or approximately $16,644/year (vs $1,378/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 $300 works out to $1,300/month, covering 94% of the median mortgage repayment of $1,387/month. That leaves a $87/month shortfall (around $1,044/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 (4,826 residents), interest-rate sensitivity on the $1,387 median mortgage, the broader Tasmania 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.