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ABS 2021 Census · Updated 21 May 2026
Strathnairn is a well-established middle-ring suburb of Canberra, Australia, with a population of approximately 714, making it a boutique locality. Located approximately 14 km from the Canberra CBD, Strathnairn is a middle ring area in Australian Capital Territory. The median household income is $136,708 per year.
Strong household incomes in Strathnairn underpin solid property demand. Close CBD access strengthens tenant appeal and resale value.
Official Australia Post postcode for Strathnairn. 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 Strathnairn 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.
Strathnairn is a smaller community of 714 — about 19% of the Australian Capital Territory suburb median (3,808) — so investors should factor in the narrower buyer pool and longer average time-on-market. Households here earn $136,708/year on average — 10% above the ACT suburb median of $123,916 — a modest premium that supports resilient owner-occupier demand. Median weekly rent of $515 equates to $2,232/month — about 102% of the median mortgage repayment of $2,191/month — meaning rental income covers most of a typical owner's repayment and this is a genuine cash-flow suburb before tax benefits. 14 km from Canberra places Strathnairn in the middle commuter belt, close enough for daily trips by car or rail but at a materially lower price point than inner suburbs.
How Strathnairn stacks up against the median of all Australian Capital Territory suburbs in our dataset. Positive values mean Strathnairn sits above the state median; negative means below.
| Metric | Strathnairn | ACT median | Δ vs state |
|---|---|---|---|
| Population | 714 | 3,808 | -81% |
| Median household income | $136,708/yr | $123,916/yr | +10% |
| Median rent (weekly) | $515 | $450 | +14% |
| Median mortgage (monthly) | $2,191 | $2,144 | +2% |
| Distance to CBD | 14 km | 10 km | +40% |
| Separate houses | 71% | 71% | 0pp |
Pre-inspection briefing for Strathnairn — every item is derived from public datasets, with full citations in our data sources page.
Limited buy-and-hold upside: a small population of 714 means liquidity is thin and capital growth tends to lag the wider Australian Capital Territory market over full cycles.
Strong rental coverage: $515/week (~$2,232/month) covers 102% of the $2,191/month median mortgage repayment, so the shortfall sits at just $0/month. Investors targeting positive cash flow should shortlist this suburb.
With 71% houses in a 714-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 Strathnairn property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Capital-growth expectations for Strathnairn are modest for 2026 — incomes 10% above the ACT median of $123,916 and a population of 714 suggest gains will lag headline metro markets. Rental coverage runs at ~102% of the typical mortgage ($2,232/month rent vs $2,191/month repayment), keeping cash flow in positive or near-neutral territory. The EquitySight investment score of 75/100 places Strathnairn in the upper-middle tier of Australian suburbs we profile, and overall investor sentiment is constructive heading into the second half of 2026.
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Strathnairn scores 75/100 on our EquitySight investment framework — a good rating. That score is driven by a population of 714, median household income of $136,708/year and median weekly rent of $515. 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 Strathnairn are proximity to Canberra (14 km), an above-state-median household income of $136,708/year, a dwelling mix that is 71% 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.
Strathnairn has a usual resident population of approximately 714, compared with a Australian Capital Territory suburb median of 3,808 — 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.
Strathnairn sits 14 km straight-line from the Canberra CBD. This is comfortable commuter territory, with reasonable rail and road access to the city.
The most recent census recorded a median weekly rent of $515 in Strathnairn, equating to approximately $26,780/year in gross rental income (state median $450/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 Strathnairn is $2,191, or approximately $26,292/year (vs $2,144/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 $515 works out to $2,232/month, covering 102% of the median mortgage repayment of $2,191/month. That means rent exceeds the median repayment by roughly $41/month, so on these numbers Strathnairn leans cash-flow-positive before accounting for strata, council rates, insurance and maintenance. 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 (714 residents), interest-rate sensitivity on the $2,191 median mortgage, the broader Australian Capital Territory 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.