Suburb Overview
Black Rock is an outer-metropolitan suburb of Melbourne, Australia, with a population of approximately 6,389, making it a smaller community. Located approximately 18 km from the Melbourne CBD, Black Rock is a outer metro area in Victoria. The median household income is $125,632 per year.
Location
Key Indicators
Postcode
3193
Postcode for Black Rock, from a community postcode dataset cross-checked against Australia Post. A postcode may cover multiple suburbs.
Australia Post Postcode Finder →
Population
6,389
Usual resident population at the most recent census.
Median weekly rent
$541/wk
Median weekly rent recorded at the 2021 Census — market rents have risen since, so treat this as a dated baseline, not a current figure.
Median household income
$125,632
Annual median household income (before tax) across all households.
Distance to CBD
18 km
Straight-line distance from the suburb centroid to the nearest capital city CBD. Actual driving distance will be longer.
Sale prices & yield
Median unit price
$920,000
Median unit sale price — as at 2025 (preliminary), Valuer-General Victoria (CC BY 4.0).
Housing
Median monthly mortgage
$2,897/mo
Monthly median mortgage repayment for households currently paying off a mortgage.
Home type
52% houses
Proportion of separate houses versus units, townhouses, and other home types. Useful for investors assessing rental demand mix.
Why People Like Living in Black Rock
- Well-connected to Melbourne at ~18 km from the CBD.
- Several schools in the area (around 2), attractive for families.
- Local parks and reserves (around 3) within easy reach.
- Well-serviced by public transport and major roads.
- Newer estates with modern homes and family-sized blocks.
Who Black Rock Suits
Pros and Cons
Pros
- Rent sits within an affordable share of local incomes, supporting tenant demand.
- Local parks and reserves (around 3) add to liveability.
- Solid transport links into employment hubs.
Cons
- Median mortgage sits above the Victoria state median — entry costs are stretched.
- Traffic can build during peak hours, especially on arterial roads.
Investment Insight
6,389 residents places Black Rock squarely in the middle of the Victoria suburb size distribution (state median 7,416), with market depth comparable to most VIC localities. Median household income of $125,632/year runs 32% above the Victoria suburb median of $95,160, indicating strong purchasing power and the type of demographic profile that tends to sustain premium property prices through market cycles. At the 2021 Census, rent of $541/week covered 81% of the $2,897/month median mortgage recorded at the same Census, leaving a gap of roughly $553/month at the time. Rents and repayments have both risen since — re-run the numbers with current figures before drawing conclusions. 18 km from Melbourne places Black Rock in the middle commuter belt, close enough for daily trips by car or rail but at a materially lower price point than inner suburbs. Only 52% of dwellings are separate houses (vs 78% state median), so this is a unit-heavy market where body-corporate decisions and strata supply meaningfully shape investor returns.
Investment Tip
Outer-metro suburbs reward careful property selection — aim for homes near infrastructure rather than generic house-and-land packages. At the 2021 Census, local rents consumed roughly 22% of household income — a dated but useful sanity check on tenant affordability.
Black Rock vs Victoria Median
How Black Rock stacks up against the median of all Victoria suburbs in our dataset. Positive values mean Black Rock sits above the state median; negative means below.
| Metric | Black Rock | VIC median | Δ vs state |
|---|---|---|---|
| Population | 6,389 | 7,416 | -14% |
| Median household income | $125,632/yr | $95,160/yr | +32% |
| Median rent (weekly, 2021 Census) | $541 | $380 | +42% |
| Median mortgage (monthly, 2021 Census) | $2,897 | $1,950 | +49% |
| Distance to CBD | 18 km | 32 km | -44% |
| Separate houses | 52% | 78% | -26pp |
Investor Checklist
Pre-inspection briefing for Black Rock — every item is derived from public datasets, with full citations in our data sources page.
- Market depth: 6,389 residents — 86% of the VIC suburb median (7,416).
- Purchasing power: median household income $125,632/year (+32% vs Victoria suburb median of $95,160).
- Cash-flow coverage (2021 Census): $541/week rent (≈ $2,344/month) covered ~81% of the $2,897/month median mortgage at the 2021 Census — verify against current rents and rates.
- CBD access: 18 km straight-line from Melbourne (state suburb median 32 km).
- Dwelling mix: 52% separate houses — mixed market (vs 78% state median).
- Rate stress-test: budget ~$290/month extra for a 1-percentage-point RBA rate rise on top of the $2,897/month median repayment.
- Tenant rent burden: 22% of the median household income is spent on rent — comfortably affordable.
Investment Strategy
Strong buy-and-hold fundamentals: household incomes run 32% above the Victoria suburb median ($125,632 vs $95,160), and the 18 km CBD distance keeps this suburb in the primary demand zone. In Victoria, suburbs with this profile have historically clustered in the upper tercile of 10-year capital growth.
Moderate rental coverage at the 2021 Census: rent of $541/week covered 81% of a $2,897/month mortgage, a $553/month gap bridged with equity, depreciation and tax benefits. Re-check with current rents and rates before committing.
Only 52% of dwellings are separate houses (vs 78% VIC median) — this is a unit and townhouse market, where cosmetic flips struggle against body-corporate restrictions, thinner after-reno uplift and competing new supply.
Risk Factors
- Interest-rate sensitivity: the $2,897/month median mortgage in Black Rock means a 1-percentage-point RBA rate rise could add roughly $290/month to repayments, reducing buyer borrowing capacity and cooling prices.
- Premium-pricing risk: incomes 32% above the Victoria median ($125,632 vs $95,160) correlate with elevated purchase prices and compressed gross yields — enter only with a clear capital-growth thesis and a comfortable deposit.
- Regulatory risk: changes to Australian tax settings (negative gearing, CGT discount, foreign-buyer surcharges, land-tax thresholds) could reshape after-tax returns in Black Rock regardless of local market conditions.
- Market cycle risk: property markets are cyclical, so stress-test your projections in Black Rock with a 10–15% price pullback scenario before committing capital — returns to date are not a guarantee of future performance.
Run the numbers on a Black Rock property
Walk the journey to a place like Black Rock
Seven guided stops — government schemes compared for your exact numbers, a real budget, suburb shortlisting and every contract deadline tracked. Free, no signup to start.
Start your first-home journey →2026 Outlook
Black Rock enters 2026 with a demographic tailwind — household incomes 32% above the Victoria suburb median of $95,160 and a population of 6,389 give it the depth and purchasing power to outperform the wider VIC market over the next 12–18 months. At the 2021 Census, rental coverage ran at ~81% of the typical mortgage ($2,344/month rent vs $2,897/month repayment), keeping cash flow in positive or near-neutral territory. Verify against current rents and rates. Overall investor sentiment for Black Rock is constructive heading into the second half of 2026, based on its income, rent and mortgage profile relative to the Victoria median.
Share your experience of Black Rock
Lived in Black Rock? Help other investors with an honest 100-word review. Sign-in required; all reviews are manually moderated before they appear.
Frequently Asked Questions
Is Black Rock a good suburb for investment?
Whether Black Rock suits you depends on your strategy, but the fundamentals are concrete: a population of 6,389, a median household income of $125,632/year and median weekly rent of $541. Weigh those against your goal — cash flow, capital growth, or a value-add renovation — each of which we break down with suburb-specific ABS numbers elsewhere on this page.
What drives property demand in Black Rock?
The main demand drivers in Black Rock are proximity to Melbourne (18 km), an above-state-median household income of $125,632/year, a dwelling mix that is 52% separate houses. Together these shape both owner-occupier and tenant demand.
What is the population of Black Rock?
Black Rock has a usual resident population of approximately 6,389, compared with a Victoria suburb median of 7,416 — 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.
How far is Black Rock from the Melbourne CBD?
Black Rock sits 18 km straight-line from the Melbourne CBD. This is comfortable commuter territory, with reasonable rail and road access to the city.
What is the median rent in Black Rock?
The most recent census recorded a median weekly rent of $541 in Black Rock, equating to approximately $28,132/year in gross rental income (state median $380/week). Market rents have typically drifted above the recorded figure — verify against current listings on realestate.com.au and Domain before making an offer.
What is the typical mortgage repayment in Black Rock?
The median monthly mortgage repayment in Black Rock is $2,897, or approximately $34,764/year (vs $1,950/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.
Is Black Rock cash-flow positive for investors?
A median weekly rent of $541 works out to $2,344/month, covering 81% of the median mortgage repayment of $2,897/month. That leaves a $553/month shortfall (around $6,636/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.
What are the main risks of investing in Black Rock?
The main risks are interest-rate sensitivity on the $2,897 median mortgage, the broader Victoria market cycle. Each of these is covered in the Risk Factors section above with suburb-specific numbers rather than generic warnings.
How we built this Black Rock profile
The population, postcode, median household income, and dwelling mix on this page are real figures from the ABS 2021 Census (income is the ABS median weekly household income annualised) and Australia Post. Distance to the CBD is calculated from the suburb's ABS centroid. The Census median rent and mortgage repayment are 2021 figures and are clearly labelled as such wherever they appear — they are five years old and have moved substantially since. We do not publish an investment score or school/park counts for this suburb. See our methodology and data sources for exactly what's measured and what's estimated.