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ABS 2021 Census · Updated 21 May 2026
Blackwood is a well-established middle-ring suburb of Adelaide, Australia, with a population of approximately 4,266, making it a boutique locality. Located approximately 10 km from the Adelaide CBD, Blackwood is a middle ring area in South Australia. The median household income is $89,180 per year.
Moderate income levels in Blackwood indicate steady rental demand from working households. Close CBD access strengthens tenant appeal and resale value.
Official Australia Post postcode for Blackwood. 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 Blackwood 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.
4,266 residents places Blackwood squarely in the middle of the South Australia suburb size distribution (state median 3,699), with market depth comparable to most SA localities. Households here earn $89,180/year on average — 10% above the SA suburb median of $80,964 — a modest premium that supports resilient owner-occupier demand. Rent of $330/week (83% coverage of the $1,733/month median mortgage) leaves a gap of roughly $303/month that a typical investor bridges with negative gearing, depreciation and capital growth. At 10 km from the Adelaide CBD, Blackwood sits inside the high-demand inner ring — properties here compete directly with the city's employment, transport and amenity networks.
Middle-ring locations like this one historically reward patient holders — focus on homes near catchment-zone schools and major transport. Local rents consume roughly 19% of household income — a useful sanity check on tenant affordability.
How Blackwood stacks up against the median of all South Australia suburbs in our dataset. Positive values mean Blackwood sits above the state median; negative means below.
| Metric | Blackwood | SA median | Δ vs state |
|---|---|---|---|
| Population | 4,266 | 3,699 | +15% |
| Median household income | $89,180/yr | $80,964/yr | +10% |
| Median rent (weekly) | $330 | $320 | +3% |
| Median mortgage (monthly) | $1,733 | $1,616 | +7% |
| Distance to CBD | 10 km | 13 km | -23% |
| Separate houses | 75% | 73% | +2pp |
Pre-inspection briefing for Blackwood — every item is derived from public datasets, with full citations in our data sources page.
Moderate buy-and-hold potential: Blackwood's 4,266-person market and $89,180 median household income work for investors who are selective on street location and property quality rather than counting on a suburb-wide rerating.
Moderate rental coverage: rent of $330/week covers 83% of a $1,733/month mortgage, leaving a $303/month gap that an investor bridges with equity, depreciation and tax benefits.
With 75% houses in a 4,266-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 Blackwood property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Capital-growth expectations for Blackwood are modest for 2026 — incomes 10% above the SA median of $80,964 and a population of 4,266 suggest gains will lag headline metro markets. Rental coverage runs at ~83% of the typical mortgage ($1,430/month rent vs $1,733/month repayment), keeping cash flow in positive or near-neutral territory. The EquitySight investment score of 66/100 places Blackwood in the upper-middle tier of Australian suburbs we profile, and overall investor sentiment is balanced heading into the second half of 2026.
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Blackwood scores 66/100 on our EquitySight investment framework — a good rating. That score is driven by a population of 4,266, median household income of $89,180/year and median weekly rent of $330. 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 Blackwood are proximity to Adelaide (10 km), an above-state-median household income of $89,180/year, a dwelling mix that is 75% 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.
Blackwood has a usual resident population of approximately 4,266, compared with a South Australia suburb median of 3,699 — 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.
Blackwood sits 10 km straight-line from the Adelaide CBD. This is inner-ring territory — pricing competes directly with established Adelaide employment nodes.
The most recent census recorded a median weekly rent of $330 in Blackwood, equating to approximately $17,160/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 Blackwood is $1,733, or approximately $20,796/year (vs $1,616/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 $330 works out to $1,430/month, covering 83% of the median mortgage repayment of $1,733/month. That leaves a $303/month shortfall (around $3,636/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 (4,266 residents), interest-rate sensitivity on the $1,733 median mortgage, the broader South 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.