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Blackburn North vs Mordialloc

Property investment comparison - Blackburn North, VIC 3130 vs Mordialloc, VIC 3195

Head-to-head across core investment metrics: Blackburn North wins 1, Mordialloc wins 3. The better choice depends on whether you're optimising for cash flow, growth, affordability, or liquidity, the table below highlights the winner on each metric.

MetricBlackburn NorthMordialloc
Median house price$1.4M$1.4M
Median unit price-$700K
Gross rental yield (houses)2.67%-
Gross rental yield (units)-4.45%
1-year house growth+5.7%+8.1%
3-year house growth+9.8%-0.7%
Vacancy rate1.6%0.9%
Population7,6278,886

Blackburn North vs Mordialloc: what the numbers say

The median house price is $1.4M in Blackburn North and $1.4M in Mordialloc, so Mordialloc is the cheaper entry point.

Over the past year house prices moved +5.7% in Blackburn North and +8.1% in Mordialloc, so recent momentum favours Mordialloc, although both suburbs recorded growth.

Looking back three years, Blackburn North houses are +9.8% and Mordialloc houses -0.7%, so Blackburn North has compounded faster than Mordialloc over the longer window.

Rental vacancy is 0.9% in Mordialloc and 1.6% in Blackburn North, so landlords in Mordialloc face less competition for tenants. Anything under 2% is generally read as a tight market where tenants compete for homes.

Mordialloc is the bigger suburb, with a population of 8,886 against 7,627, larger than Blackburn North; a larger suburb usually means a deeper pool of buyers and tenants.

In short: Mordialloc for a lower purchase price, Mordialloc for recent price momentum, Mordialloc for the tighter rental market. Which matters more depends on whether the investor is buying for cash flow, capital growth or affordability.

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Blackburn North vs Mordialloc: Suburb Comparison 2026