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ABS 2021 Census · Updated 21 May 2026
Alonnah is a coastal suburb in Tasmania, Australia, with a population of approximately 164, making it a boutique locality. Located approximately 48 km from the Hobart CBD, Alonnah is a coastal area in Tasmania. The median household income is $38,844 per year.
Household earnings in Alonnah are below the state average, which may affect long-term capital growth. Coastal lifestyle appeal adds a premium that supports long-term demand.
Official Australia Post postcode for Alonnah. 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 Alonnah 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.
Alonnah is a smaller community of 164 — about 4% of the Tasmania suburb median (3,902) — so investors should factor in the narrower buyer pool and longer average time-on-market. Alonnah's median household income of $38,844/year is 47% below the Tasmania suburb median ($73,944) — this is an affordability play where returns lean on yield and patient capital growth rather than demographic premium. Rent of $190/week (83% coverage of the $988/month median mortgage) leaves a gap of roughly $165/month that a typical investor bridges with negative gearing, depreciation and capital growth. At 48 km from Hobart, Alonnah is an outer-metro location where buyers are typically trading commute time for floor space and a lower entry price. Only 33% of dwellings are separate houses (vs 80% state median), so this is a unit-heavy market where body-corporate decisions and strata supply meaningfully shape investor returns.
How Alonnah stacks up against the median of all Tasmania suburbs in our dataset. Positive values mean Alonnah sits above the state median; negative means below.
| Metric | Alonnah | TAS median | Δ vs state |
|---|---|---|---|
| Population | 164 | 3,902 | -96% |
| Median household income | $38,844/yr | $73,944/yr | -47% |
| Median rent (weekly) | $190 | $320 | -41% |
| Median mortgage (monthly) | $988 | $1,378 | -28% |
| Distance to CBD | 48 km | 24 km | +100% |
| Separate houses | 33% | 80% | -47pp |
Pre-inspection briefing for Alonnah — every item is derived from public datasets, with full citations in our data sources page.
Limited buy-and-hold upside: a small population of 164 means liquidity is thin and capital growth tends to lag the wider Tasmania market over full cycles.
Moderate rental coverage: rent of $190/week covers 83% of a $988/month mortgage, leaving a $165/month gap that an investor bridges with equity, depreciation and tax benefits.
Only 33% of dwellings are separate houses (vs 80% TAS 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 Alonnah property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Capital-growth expectations for Alonnah are modest for 2026 — incomes 47% below the TAS median of $73,944 and a population of 164 suggest gains will lag headline metro markets. Rental coverage runs at ~83% of the typical mortgage ($823/month rent vs $988/month repayment), keeping cash flow in positive or near-neutral territory. The EquitySight investment score of 31/100 places Alonnah 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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Alonnah scores 31/100 on our EquitySight investment framework — a weak rating. That score is driven by a population of 164, median household income of $38,844/year and median weekly rent of $190. 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 Alonnah are a median household income of $38,844/year, a dwelling mix that is 33% 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.
Alonnah has a usual resident population of approximately 164, compared with a Tasmania suburb median of 3,902 — 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.
Alonnah sits 48 km straight-line from the Hobart 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 $190 in Alonnah, equating to approximately $9,880/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 Alonnah is $988, or approximately $11,856/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 $190 works out to $823/month, covering 83% of the median mortgage repayment of $988/month. That leaves a $165/month shortfall (around $1,980/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 (164 residents), interest-rate sensitivity on the $988 median mortgage, below-median household incomes ($38,844 vs $73,944 state median), a unit-heavy dwelling mix (33% houses) where body-corporate costs and apartment supply affect resale, 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.