Castlemaine, VIC 3450
Mount Alexander Shire, Victoria
Good to Know
Castlemaine, VIC 3450 is a tightly-held house market in the Castlemaine area, currently positioned as a long-hold capital growth submarket. Home to roughly 7,506 adults across 4,653 dwellings, the market is running with a low vacancy of 0.55%.
According to HtAG Analytics, Castlemaine is exhibiting tight-supply rental market behaviour. Stock on Market sits at 0.23% and Inventory at 2.23 months — close to the ~3-month balanced-market threshold — driving +1.9% YoY price growth and +5.6% YoY rent growth.
What the market data is signalling
Rental demand in Castlemaine is outpacing capital gains: 12‑month rent growth is +5.6% while price growth is +1.9%, a profile consistent with constrained rental supply and stronger cashflow resilience than headline capital returns. Low Stock on Market (0.23%) and a vacancy rate of 0.55% are signalling tighter market conditions for tenants and buyers.
For a visual of where Castlemaine sits today, see the Markets in the Moment (MiM™) heatmap.
Who lives in Castlemaine — and why it matters for investors
Castlemaine records an IRSAD of 983, which is above the recommended minimum and suggests relatively stronger socio-economic indicators that can support steady long-cycle demand. The renter/owner split is neutral at 23.0%, while the units/houses ratio is 7.0% (opportune), indicating the suburb is house-dominant — a factor that tends to reduce short-term volatility for house investors.
These demographic and affordability signals affect turnover, tenant demand and the likely duration of rental pressure; see our IRSAD Crossover study for the research behind these effects.
Why suburb-level data matters for Castlemaine
Suburb-level metrics reveal the real trade-offs investors face. Castlemaine's typical house price is $833,098 with a gross yield of 3.4%, Stock on Market at 0.23%, Inventory 2.23 months, and median days on market of 48 days. These precise signals should drive decisions rather than broader averages — averages can hide pockets that perform very differently.
Read more on why council-level averages can mislead in our LGA vs Suburb research. For the full local dataset, download the full Castlemaine data guide.
What's behind the RCS™ score of 85
HtAG's RCS™ bundles three independent dimensions — risk minimisation, capital-growth potential and cashflow resilience — into a single, comparable score. A score of 85 signals strong composite fundamentals, but you should review the component sub-scores to match Castlemaine to your strategy (income vs growth vs risk tolerance).
Learn how the RCS™ is built, then open Castlemaine in HtAG Copilot to inspect the sub-score breakdown and scenario modelling.
Forward signals to watch
The vacancy rate — currently 0.55%: sustained vacancy below ~1% typically drives continued rental inflation and tighter tenant choice over the next 12–24 months.
The building approvals ratio — currently 0.32%: this neutral reading implies modest new supply delivery; it is unlikely to rapidly relieve rental pressure unless approvals trend higher.
The Melbourne cycle phase: a city‑wide shift in Melbourne’s market phase (expansion, peak, contraction, recovery) would influence regional momentum — a broadly stronger Melbourne cycle would tend to support demand and prices in Castlemaine, while a softer cycle could temper local capital appreciation.
Does this area meet your investment goals?
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RCS Breakdown
Castlemaine's RCS™ headline is an overall signal — but it doesn't tell you why. The three sub-scores below reveal whether that score is earned through risk minimisation, capital growth, or cashflow — and which portfolio brief it fits.
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Critical to know
Market Trends
Castlemaine's headline values — $833K to buy and $543PW to rent, a 3.38% gross yield. Over the past decade, prices have moved 84.59% and rents 63.17% — the Yield series shows whether that gap is widening (price outpacing rent, yield compressing) or closing.
$833K is today. The 10-year trajectory reveals whether that's the top of a run, the start of a new leg, or somewhere mid-cycle. Sign up to unlock the entire trend line.
$543PW today, with rent growth at (+5.62% YoY) compared to price growth (+1.95%). That spread determines yield is expanding or compressing across the next cycle. Sign up to unlock the entire trend line.
Where is Castlemaine in its cycle - and is the 3.38% yield holding?
Cycle phase tells you whether you're buying near the bottom (room to run) or top (compression ahead). Yield trajectory tells you whether cashflow is durable or being eroded — the single most important question for a long-hold thesis.
Cycle Phase
Cycle Position
Yield Trajectory
Rent vs Price Spread
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Area Risks
Property data alone won't flag the structural risks that can erode a long-hold position. Bushfire overlays, flood-zone exposure, and economic concentration sit outside the price feed but determine whether your capital is insurable, defensible, and structurally protected. Unlock to see.
Are there hidden structural risks shaping Castlemaine's long-hold story?
Beyond the headline price, Castlemaine carries risk signals a median can't show — hazard exposure from bushfire and flood overlays, and how narrowly local employment leans on a handful of sectors (the concentration the EDI score quantifies). Together these separate insurable, defensible long-holds from those carrying tail-risk that never surfaces in the headline number.
MADI Risk
EDI Risk
Bushfire
Flood
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Critical to know
Supply & Demand
Castlemaine's headline numbers show where the market is today. The two cards below answer where it's heading. Direction is what separates a buy from a wait.
Is housing supply tightening or building up?
Stock on Market is one number — the trend is what matters. SoM, inventory, building approvals and hold period together reveal whether the market is starving for stock (price pressure up) or quietly building a pipeline (pressure down).
Stock on Market
Inventory
Building Approvals
Hold Period
Is buyer and renter demand heating up or cooling off?
Vacancy is one signal — the real question is whether demand is still building or quietly peaking. Days on market, vacancy, search index and clearance rate are the four pulse-points — when they diverge, they signal a turning point.
Days on Market
Vacancy Rate
Search Index
Clearance Rate
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Critical to know
Fundamentals
Castlemaine can look solid on the surface — but the three layers below separate markets that genuinely hold value from ones that only look like they do.
Is Castlemaine genuinely stable - or just expensive?
IRSAD hints at affluence, but socio-economic strength alone doesn't guarantee resilience. Combined with the renter-to-owner balance and unit-to-house ratio, you get the three signals that separate a tightly-held submarket from one carrying hidden volatility.
IRSAD
Renter to Owner
Units to Houses
Where do Castlemaine prices go over the next 12 months?
Today's headline price is just a snapshot. Projected ROI and the volatility index tell you whether to commit capital now, wait for a softer entry, or rotate into a steadie submarket.
Projected Annual ROI
Volatility Index
Can you actually buy into Castlemaine - and exit cleanly?
Tightly-held areas reward long-hold investors but punish anyone who needs liquidity. Annual sales and rental volume reveal whether your capital can reposition — or sits structurally locked in.
Annual Sales Volume
Annual Rental Volume
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Important to know
Education & Infrastructure
Castlemaine looks tightly-held and stable on the surface — but the three layers below separate areas that genuinely hold value from ones that only look like they do.
Does Castlemaine's school catchment + infrastructure pipeline justify the price?
School ranks anchor family demand and tenant quality. The active infrastructure pipeline shifts a suburb's price ceiling over the next 5–10 years. Together they tell you whether Castlemaine has structural support for the next leg of capital growth.
School Rank
Hospitals & Employment
Infrastructure Spend
Transport Projects
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Full HtAG Intelligence
Castlemaine shows potential. The platform tells you whether it's the best fit for your portfolio.
Price and yield are only the surface. HtAG reads the forces underneath — supply tightening or loosening, demand heating or cooling, and the risks that move slowly but decide long-term growth. Together they show whether Castlemaine has the structural support for its next leg — or whether the numbers are running ahead of the fundamentals.
The total adult population (15 years or older) of Castlemaine 3450 VIC is 6,559, with a median age of 52. Of those, 38.10% are married, 17.18% are divorced or separated, 36.33% are single and 8.48% are widowed.
The average household size is 2.0 people per dwelling, and the median household monthly income is estimated to be $6,532. The median monthly mortgage repayment for households in this suburb is $1,362 which is 20.85% of their earnings.
Source: ABS Census Data (2021)