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ABS 2021 Census · Updated 21 May 2026
Wanniassa is a well-established middle-ring suburb of Canberra, Australia, with a population of approximately 7,885, making it a smaller community. Located approximately 13 km from the Canberra CBD, Wanniassa is a middle ring area in Australian Capital Territory. The median household income is $119,340 per year.
Above-average earnings in Wanniassa support sustained property values. The short commute to the city centre is a key demand driver.
Official Australia Post postcode for Wanniassa. 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 2 schools within or near this suburb.
Find schools near Wanniassa on My School →Estimated 3 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.
With 7,885 residents, Wanniassa is one of Australian Capital Territory's more populous suburbs — roughly 2.1× the state median of 3,808 — giving it a deep buyer and tenant pool that typically supports higher transaction volumes and shorter average days on market. At $119,340/year, household income in Wanniassa is within 4% of the Australian Capital Territory median ($123,916), placing the suburb firmly in the state's mainstream demographic band. Rent of $400/week (83% coverage of the $2,100/month median mortgage) leaves a gap of roughly $367/month that a typical investor bridges with negative gearing, depreciation and capital growth. 13 km from Canberra places Wanniassa in the middle commuter belt, close enough for daily trips by car or rail but at a materially lower price point than inner suburbs.
This suburb suits long-term investors looking for a balance of rental yield and capital growth. Schools and transport underpin family demand. Local rents consume roughly 17% of household income — a useful sanity check on tenant affordability.
How Wanniassa stacks up against the median of all Australian Capital Territory suburbs in our dataset. Positive values mean Wanniassa sits above the state median; negative means below.
| Metric | Wanniassa | ACT median | Δ vs state |
|---|---|---|---|
| Population | 7,885 | 3,808 | +107% |
| Median household income | $119,340/yr | $123,916/yr | -4% |
| Median rent (weekly) | $400 | $450 | -11% |
| Median mortgage (monthly) | $2,100 | $2,144 | -2% |
| Distance to CBD | 13 km | 10 km | +30% |
| Separate houses | 85% | 71% | +14pp |
Pre-inspection briefing for Wanniassa — every item is derived from public datasets, with full citations in our data sources page.
Solid buy-and-hold profile: a population of 7,885 and household income close to the ACT median ($119,340 vs $123,916) give the market enough depth for patient capital growth without the premium entry price of inner suburbs.
Moderate rental coverage: rent of $400/week covers 83% of a $2,100/month mortgage, leaving a $367/month gap that an investor bridges with equity, depreciation and tax benefits.
A dwelling mix skewed to houses (85% vs 71% ACT median) combined with a population of 7,885 creates a deeper market for value-add renovations — older stock, separate titles and stronger buyer competition are the usual pattern here.
Run the numbers on a Wanniassa property
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Create free account →Property values in Wanniassa should track the wider Australian Capital Territory market through 2026, with the $119,340/year median household income (close to the $123,916 state median) keeping the suburb firmly mid-pack. Rental coverage runs at ~83% of the typical mortgage ($1,733/month rent vs $2,100/month repayment), keeping cash flow in positive or near-neutral territory. The EquitySight investment score of 79/100 places Wanniassa 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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Wanniassa scores 79/100 on our EquitySight investment framework — a good rating. That score is driven by a population of 7,885, median household income of $119,340/year and median weekly rent of $400. 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 Wanniassa are proximity to Canberra (13 km), a median household income of $119,340/year, a dwelling mix that is 85% separate houses, roughly 2 schools and 3 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.
Wanniassa has a usual resident population of approximately 7,885, compared with a Australian Capital Territory suburb median of 3,808 — 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.
Wanniassa sits 13 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 $400 in Wanniassa, equating to approximately $20,800/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 Wanniassa is $2,100, or approximately $25,200/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 $400 works out to $1,733/month, covering 83% of the median mortgage repayment of $2,100/month. That leaves a $367/month shortfall (around $4,404/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 interest-rate sensitivity on the $2,100 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.